chore(deps): bump com.puppycrawl.tools:checkstyle in /ddk-parent

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 10.20.0 to 10.20.1.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-10.20.0...checkstyle-10.20.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ddk-parent/pom.xml

@@ -47,7 +47,7 @@
 
     <!-- maven plugin versions -->
     <checkstyle.plugin.version>3.6.0</checkstyle.plugin.version>
-    <checkstyle.version>10.20.0</checkstyle.version>
+    <checkstyle.version>10.20.1</checkstyle.version>
     <clean.version>3.4.0</clean.version>
     <deploy.version>3.1.3</deploy.version>
     <spotbugs.plugin.version>4.8.6.5</spotbugs.plugin.version>