Bump com.puppycrawl.tools:checkstyle from 12.1.1 to 13.6.0

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 12.1.1 to 13.6.0.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-12.1.1...checkstyle-13.6.0)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-version: 13.6.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pom.xml

@@ -42,7 +42,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <jacoco-version>0.8.13</jacoco-version>
     <maven-checkstyle-plugin-version>3.6.0</maven-checkstyle-plugin-version>
-    <checkstyle-version>12.1.1</checkstyle-version>
+    <checkstyle-version>13.6.0</checkstyle-version>
     <junit-version>4.13.2</junit-version>
     <maven.compiler.source>21</maven.compiler.source>
     <maven.compiler.target>21</maven.compiler.target>