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

Bumps [org.apache.maven.plugins:maven-checkstyle-plugin](https://github.com/apache/maven-checkstyle-plugin) from 3.5.0 to 3.6.0.
- [Commits](apache/maven-checkstyle-plugin@maven-checkstyle-plugin-3.5.0...maven-checkstyle-plugin-3.6.0)

---
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>

Author: dependabot[bot]

pom.xml

@@ -25,7 +25,7 @@
         <rxjava2.version>2.2.21</rxjava2.version>
 
         <javadoc.version>3.10.1</javadoc.version>
-        <checkstyle.version>3.5.0</checkstyle.version>
+        <checkstyle.version>3.6.0</checkstyle.version>
         <pmd.version>3.25.0</pmd.version>
         <project.info.version>3.8.0</project.info.version>
         <jxr.version>3.5.0</jxr.version>