Bump com.puppycrawl.tools:checkstyle from 10.14.0 to 10.15.0

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 10.14.0 to 10.15.0.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-10.14.0...checkstyle-10.15.0)

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

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

pom.xml

@@ -89,7 +89,7 @@
 
         <version.build-helper-maven-plugin>3.5.0</version.build-helper-maven-plugin>
         <version.checkstyle.maven>3.3.1</version.checkstyle.maven>
-        <version.checkstyle>10.14.0</version.checkstyle> <!-- Property for Checkstyle's regression CI - see issues 216 and 586 -->
+        <version.checkstyle>10.15.0</version.checkstyle> <!-- Property for Checkstyle's regression CI - see issues 216 and 586 -->
         <version.copy-rename-maven-plugin>1.0.1</version.copy-rename-maven-plugin>
         <version.flatten-maven-plugin>1.6.0</version.flatten-maven-plugin>
         <version.jacoco>0.8.11</version.jacoco>