Bump codingstyle from 2.6.0 to 2.7.0

Bumps [codingstyle](https://github.com/uhafner/codingstyle) from 2.6.0 to 2.7.0.
- [Release notes](https://github.com/uhafner/codingstyle/releases)
- [Changelog](https://github.com/uhafner/codingstyle/blob/master/CHANGELOG.md)
- [Commits](uhafner/codingstyle@v2.6.0...v2.7.0)

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

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

pom.xml

@@ -27,7 +27,7 @@
     <jenkins.version>${jenkins.baseline}.1</jenkins.version>
     <java.level>8</java.level>
     <spotbugs.failOnError>false</spotbugs.failOnError>
-    <codingstyle.config.version>2.6.0</codingstyle.config.version>
+    <codingstyle.config.version>2.7.0</codingstyle.config.version>
 
     <!-- Test Library Dependencies Versions -->
     <equalsverifier.version>3.6.1</equalsverifier.version>