Bump com.puppycrawl.tools:checkstyle from 11.1.0 to 12.0.0

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 11.1.0 to 12.0.0.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-11.1.0...checkstyle-12.0.0)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-version: 12.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pom.xml

@@ -27,7 +27,7 @@
     <pmd-plugin.version>3.27.0</pmd-plugin.version>
     <pmd.version>7.17.0</pmd.version>
     <checkstyle-plugin.version>3.6.0</checkstyle-plugin.version>
-    <checkstyle.version>11.1.0</checkstyle.version>
+    <checkstyle.version>12.0.0</checkstyle.version>
 
     <!-- SonarCloud setup -->
     <sonar.projectKey>SvenWoltmann_binary-tree</sonar.projectKey>