Bump com.puppycrawl.tools:checkstyle from 10.26.1 to 13.6.0

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 10.26.1 to 13.6.0.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-10.26.1...checkstyle-13.6.0)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-version: 10.23.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -46,7 +46,7 @@
 
         <!--dependency versions -->
         <celesta.version>8.2.0</celesta.version>
-        <checkstyle.version>10.26.1</checkstyle.version>
+        <checkstyle.version>13.6.0</checkstyle.version>
         <spring.boot.version>3.5.15</spring.boot.version>
 
         <!--plugin versions -->