Bump com.puppycrawl.tools:checkstyle from 12.0.1 to 12.1.0

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 12.0.1 to 12.1.0.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-12.0.1...checkstyle-12.1.0)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-version: 12.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -39,7 +39,7 @@
     <jenkins.baseline>2.516</jenkins.baseline>
     <jenkins.version>${jenkins.baseline}.1</jenkins.version>
     <powermock.version>1.6.1</powermock.version>
-    <checkstyle.version>12.0.1</checkstyle.version>
+    <checkstyle.version>12.1.0</checkstyle.version>
     <hpi.compatibleSinceVersion>2.0</hpi.compatibleSinceVersion>
   </properties>