I have some strange error when deploying my spring boot application to Heroku. Here is an error:

-----> Building on the Heroku-20 stack
-----> Using buildpack: heroku/java
-----> Java app detected
-----> Installing OpenJDK 1.8... done
-----> Executing Maven
       $ ./mvnw -pl backend clean package
       [INFO] Scanning for projects...
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-starter-parent/2.5.6/spring-boot-starter-parent-2.5.6.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-starter-parent/2.5.6/spring-boot-starter-parent-2.5.6.pom (8.6 kB at 98 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-dependencies/2.5.6/spring-boot-dependencies-2.5.6.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-dependencies/2.5.6/spring-boot-dependencies-2.5.6.pom (109 kB at 5.5 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/com/datastax/oss/java-driver-bom/4.11.3/java-driver-bom-4.11.3.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/com/datastax/oss/java-driver-bom/4.11.3/java-driver-bom-4.11.3.pom (4.1 kB at 415 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/io/dropwizard/metrics/metrics-bom/4.1.26/metrics-bom-4.1.26.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/io/dropwizard/metrics/metrics-bom/4.1.26/metrics-bom-4.1.26.pom (5.3 kB at 591 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/io/dropwizard/metrics/metrics-parent/4.1.26/metrics-parent-4.1.26.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/io/dropwizard/metrics/metrics-parent/4.1.26/metrics-parent-4.1.26.pom (17 kB at 1.3 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/codehaus/groovy/groovy-bom/3.0.9/groovy-bom-3.0.9.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/codehaus/groovy/groovy-bom/3.0.9/groovy-bom-3.0.9.pom (26 kB at 1.9 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/infinispan/infinispan-bom/12.1.7.Final/infinispan-bom-12.1.7.Final.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/infinispan/infinispan-bom/12.1.7.Final/infinispan-bom-12.1.7.Final.pom (18 kB at 1.3 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/infinispan/infinispan-build-configuration-parent/12.1.7.Final/infinispan-build-configuration-parent-12.1.7.Final.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/infinispan/infinispan-build-configuration-parent/12.1.7.Final/infinispan-build-configuration-parent-12.1.7.Final.pom (14 kB at 1.5 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/jboss/jboss-parent/36/jboss-parent-36.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/jboss/jboss-parent/36/jboss-parent-36.pom (66 kB at 5.1 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/com/fasterxml/jackson/jackson-bom/2.12.5/jackson-bom-2.12.5.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/com/fasterxml/jackson/jackson-bom/2.12.5/jackson-bom-2.12.5.pom (17 kB at 1.3 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/com/fasterxml/jackson/jackson-parent/2.12/jackson-parent-2.12.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/com/fasterxml/jackson/jackson-parent/2.12/jackson-parent-2.12.pom (7.5 kB at 940 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/com/fasterxml/oss-parent/41/oss-parent-41.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/com/fasterxml/oss-parent/41/oss-parent-41.pom (23 kB at 1.8 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/glassfish/jersey/jersey-bom/2.33/jersey-bom-2.33.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/glassfish/jersey/jersey-bom/2.33/jersey-bom-2.33.pom (19 kB at 1.7 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/eclipse/ee4j/project/1.0.6/project-1.0.6.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/eclipse/ee4j/project/1.0.6/project-1.0.6.pom (13 kB at 1.3 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/eclipse/jetty/jetty-bom/9.4.44.v20210927/jetty-bom-9.4.44.v20210927.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/eclipse/jetty/jetty-bom/9.4.44.v20210927/jetty-bom-9.4.44.v20210927.pom (18 kB at 2.2 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/junit/junit-bom/5.7.2/junit-bom-5.7.2.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/junit/junit-bom/5.7.2/junit-bom-5.7.2.pom (5.1 kB at 637 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/jetbrains/kotlin/kotlin-bom/1.5.31/kotlin-bom-1.5.31.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/jetbrains/kotlin/kotlin-bom/1.5.31/kotlin-bom-1.5.31.pom (9.3 kB at 1.2 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/jetbrains/kotlinx/kotlinx-coroutines-bom/1.5.2/kotlinx-coroutines-bom-1.5.2.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/jetbrains/kotlinx/kotlinx-coroutines-bom/1.5.2/kotlinx-coroutines-bom-1.5.2.pom (4.1 kB at 514 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/apache/logging/log4j/log4j-bom/2.14.1/log4j-bom-2.14.1.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/apache/logging/log4j/log4j-bom/2.14.1/log4j-bom-2.14.1.pom (8.1 kB at 623 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/apache/logging/logging-parent/3/logging-parent-3.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/apache/logging/logging-parent/3/logging-parent-3.pom (3.1 kB at 392 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/apache/apache/23/apache-23.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/apache/apache/23/apache-23.pom (18 kB at 1.8 MB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/io/micrometer/micrometer-bom/1.7.5/micrometer-bom-1.7.5.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/io/micrometer/micrometer-bom/1.7.5/micrometer-bom-1.7.5.pom (6.9 kB at 573 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/io/netty/netty-bom/4.1.69.Final/netty-bom-4.1.69.Final.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/io/netty/netty-bom/4.1.69.Final/netty-bom-4.1.69.Final.pom (12 kB at 576 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/sonatype/oss/oss-parent/7/oss-parent-7.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/sonatype/oss/oss-parent/7/oss-parent-7.pom (4.8 kB at 268 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/com/oracle/database/jdbc/ojdbc-bom/21.1.0.0/ojdbc-bom-21.1.0.0.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/com/oracle/database/jdbc/ojdbc-bom/21.1.0.0/ojdbc-bom-21.1.0.0.pom (12 kB at 653 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/io/prometheus/simpleclient_bom/0.10.0/simpleclient_bom-0.10.0.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/io/prometheus/simpleclient_bom/0.10.0/simpleclient_bom-0.10.0.pom (4.9 kB at 326 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/io/prometheus/parent/0.10.0/parent-0.10.0.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/io/prometheus/parent/0.10.0/parent-0.10.0.pom (7.5 kB at 577 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/io/r2dbc/r2dbc-bom/Arabba-SR11/r2dbc-bom-Arabba-SR11.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/io/r2dbc/r2dbc-bom/Arabba-SR11/r2dbc-bom-Arabba-SR11.pom (4.3 kB at 360 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/io/projectreactor/reactor-bom/2020.0.12/reactor-bom-2020.0.12.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/io/projectreactor/reactor-bom/2020.0.12/reactor-bom-2020.0.12.pom (4.2 kB at 605 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/io/rsocket/rsocket-bom/1.1.1/rsocket-bom-1.1.1.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/io/rsocket/rsocket-bom/1.1.1/rsocket-bom-1.1.1.pom (2.6 kB at 376 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/data/spring-data-bom/2021.0.6/spring-data-bom-2021.0.6.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/data/spring-data-bom/2021.0.6/spring-data-bom-2021.0.6.pom (5.7 kB at 812 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-framework-bom/5.3.12/spring-framework-bom-5.3.12.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-framework-bom/5.3.12/spring-framework-bom-5.3.12.pom (5.7 kB at 808 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/integration/spring-integration-bom/5.5.5/spring-integration-bom-5.5.5.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/integration/spring-integration-bom/5.5.5/spring-integration-bom-5.5.5.pom (9.1 kB at 538 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/security/spring-security-bom/5.5.3/spring-security-bom-5.5.3.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/security/spring-security-bom/5.5.3/spring-security-bom-5.5.3.pom (5.7 kB at 570 kB/s)
       [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/session/spring-session-bom/2021.0.3/spring-session-bom-2021.0.3.pom
       [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/session/spring-session-bom/2021.0.3/spring-session-bom-2021.0.3.pom (2.7 kB at 248 kB/s)
       [ERROR] [ERROR] Could not find the selected project in the reactor: backend @ 
       [ERROR] Could not find the selected project in the reactor: backend -> [Help 1]
       [ERROR] 
       [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
       [ERROR] Re-run Maven using the -X switch to enable full debug logging.
       [ERROR] 
       [ERROR] For more information about the errors and possible solutions, please read the following articles:
       [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MavenExecutionException
 !     ERROR: Failed to build app with Maven
       We're sorry this build is failing! If you can't find the issue in application code,
       please submit a ticket so we can help: https://help.heroku.com/
 !     Push rejected, failed to compile Java app.
 !     Push failed

I assume that there is an issue with the module that is not included in the git here is the GitHub page:

But if you put a whole project in the module there will be problem with GitHub actions so I don’t understand what is the proble.

Is there any solution?