Bump versions-maven-plugin from 2.12.0 to 2.13.0

Bumps [versions-maven-plugin](https://github.com/mojohaus/versions-maven-plugin) from 2.12.0 to 2.13.0.
- [Release notes](https://github.com/mojohaus/versions-maven-plugin/releases)
- [Changelog](https://github.com/mojohaus/versions-maven-plugin/blob/master/ReleaseNotes.md)
- [Commits](mojohaus/versions@versions-maven-plugin-2.12.0...2.13.0)

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

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

pom.xml

@@ -501,7 +501,7 @@
           <!-- this is kept to more easily run manual checks for updates -->
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>versions-maven-plugin</artifactId>
-          <version>2.12.0</version>
+          <version>2.13.0</version>
         </plugin>
         <plugin>
           <groupId>org.gaul</groupId>