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 3.15.0.
- [Release notes](https://github.com/apache/maven-compiler-plugin/releases)
- [Commits](apache/maven-compiler-plugin@maven-compiler-plugin-3.11.0...maven-compiler-plugin-3.15.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-compiler-plugin
  dependency-version: 3.15.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -59,7 +59,7 @@
     <projectOwner>Red Hat, Inc.</projectOwner>
     <projectEmail>http://github.com/Commonjava/commonjava</projectEmail>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <version.plugin.compiler>3.11.0</version.plugin.compiler>
+    <version.plugin.compiler>3.15.0</version.plugin.compiler>
     <version.plugin.plugin>3.15.2</version.plugin.plugin>
     <version.plugin.plexus-component-metadata>1.6</version.plugin.plexus-component-metadata>
     <version.plugin.release>3.1.1</version.plugin.release>