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

Bumps [org.apache.maven.plugins:maven-checkstyle-plugin](https://github.com/apache/maven-checkstyle-plugin) from 3.3.1 to 3.4.0.
- [Commits](apache/maven-checkstyle-plugin@maven-checkstyle-plugin-3.3.1...maven-checkstyle-plugin-3.4.0)

---
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

@@ -64,7 +64,7 @@
     <!-- last version supporting Java 8 -->
     <testng.version>7.5.1</testng.version>
     <license-maven-plugin.version>4.5</license-maven-plugin.version>
-    <maven-checkstyle-plugin.version>3.3.1</maven-checkstyle-plugin.version>
+    <maven-checkstyle-plugin.version>3.4.0</maven-checkstyle-plugin.version>
   </properties>
 
   <scm>