Bump org.apache.maven.plugins:maven-compiler-plugin from 3.11.0 to 3.12.0 (#339)

* Bump org.apache.maven.plugins:maven-compiler-plugin

Bumps [org.apache.maven.plugins:maven-compiler-plugin](https://github.com/apache/maven-compiler-plugin) from 3.11.0 to 3.12.0.
- [Release notes](https://github.com/apache/maven-compiler-plugin/releases)
- [Commits](apache/maven-compiler-plugin@maven-compiler-plugin-3.11.0...maven-compiler-plugin-3.12.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-compiler-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Fix assertions in IT for new m-compiler-p

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Slawomir Jaranowski <s.jaranowski@gmail.com>

Author: dependabot[bot]

plexus-compiler-its/src/main/it/eclipse-compiler-mapstruct/verify.groovy

@@ -23,4 +23,4 @@ def dummyClass = new File( basedir, "target/classes/Dummy.class" )
 assert dummyClass.exists()
 
 File buildLog = new File( basedir, 'build.log' )
-assert buildLog.text.count( "Changes detected - recompiling the module!" ) == 2
+assert buildLog.text.count( "Recompiling the module because of changed" ) == 2

pom.xml

@@ -51,7 +51,7 @@
     <errorprone.version>2.23.0</errorprone.version>
     <trimStackTrace>false</trimStackTrace>
     <preparationGoals>clean install</preparationGoals>
-    <maven.compiler.version>3.11.0</maven.compiler.version>
+    <maven.compiler.version>3.12.0</maven.compiler.version>
   </properties>
 
   <dependencyManagement>