Bump org.apache.maven.plugins:maven-checkstyle-plugin

Bumps [org.apache.maven.plugins:maven-checkstyle-plugin](https://github.com/apache/maven-checkstyle-plugin) from 3.2.0 to 3.3.1.
- [Commits](apache/maven-checkstyle-plugin@maven-checkstyle-plugin-3.2.0...maven-checkstyle-plugin-3.3.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-checkstyle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -924,7 +924,7 @@
     <maven-assembly-plugin.version>3.4.2</maven-assembly-plugin.version>
     <maven-bundle-plugin.version>5.1.8</maven-bundle-plugin.version>
     <maven-changes-plugin.version>2.12.1</maven-changes-plugin.version>
-    <maven-checkstyle-plugin.version>3.2.0</maven-checkstyle-plugin.version>
+    <maven-checkstyle-plugin.version>3.3.1</maven-checkstyle-plugin.version>
     <maven-clean-plugin.version>3.2.0</maven-clean-plugin.version>
     <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
     <maven-deploy-plugin.version>3.0.0</maven-deploy-plugin.version>