Bump edu.hm.hafner:codingstyle-pom from 4.12.0 to 4.13.0

Bumps [edu.hm.hafner:codingstyle-pom](https://github.com/uhafner/codingstyle-pom) from 4.12.0 to 4.13.0.
- [Release notes](https://github.com/uhafner/codingstyle-pom/releases)
- [Changelog](https://github.com/uhafner/codingstyle-pom/blob/main/CHANGELOG.md)
- [Commits](uhafner/codingstyle-pom@v4.12.0...v4.13.0)

---
updated-dependencies:
- dependency-name: edu.hm.hafner:codingstyle-pom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>edu.hm.hafner</groupId>
     <artifactId>codingstyle-pom</artifactId>
-    <version>4.12.0</version>
+    <version>4.13.0</version>
     <relativePath />
   </parent>