[bot]: Bump org.codehaus.mojo:jaxb2-maven-plugin from 2.5.0 to 3.1.0

Bumps [org.codehaus.mojo:jaxb2-maven-plugin](https://github.com/mojohaus/jaxb2-maven-plugin) from 2.5.0 to 3.1.0.
- [Release notes](https://github.com/mojohaus/jaxb2-maven-plugin/releases)
- [Commits](mojohaus/jaxb2-maven-plugin@jaxb2-maven-plugin-2.5.0...jaxb2-maven-plugin-3.1.0)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:jaxb2-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

build/optaplanner-build-parent/pom.xml

@@ -78,7 +78,7 @@
       If upgrading, ensure build still passes with the full profile (-Dfull).
     -->
     <version.javadoc.plugin>3.5.0</version.javadoc.plugin>
-    <version.jaxb2.plugin>2.5.0</version.jaxb2.plugin>
+    <version.jaxb2.plugin>3.1.0</version.jaxb2.plugin>
     <version.pitest.plugin>1.14.4</version.pitest.plugin>
     <version.revapi.plugin>0.15.0</version.revapi.plugin>
     <version.sniffer.plugin>1.23</version.sniffer.plugin>