Bump checkstyle from 9.0.1 to 9.2.1 (#86)

Bumps [checkstyle](https://github.com/checkstyle/checkstyle) from 9.0.1 to 9.2.1.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](https://github.com/checkstyle/checkstyle/compare/checkstyle-9.0.1...checkstyle-9.2.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/pom.xml b/pom.xml
index fafa0e8..f8db8f0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -209,7 +209,7 @@
     <commons.scmPubCheckoutDirectory>site-content</commons.scmPubCheckoutDirectory>
     <commons.encoding>utf-8</commons.encoding>
     <commons.checkstyle-plugin.version>3.1.2</commons.checkstyle-plugin.version>
-    <commons.checkstyle.impl.version>9.0.1</commons.checkstyle.impl.version>
+    <commons.checkstyle.impl.version>9.2.1</commons.checkstyle.impl.version>
     <commons.javadoc.version>3.3.1</commons.javadoc.version>
     <commons.javadoc.java.link>${commons.javadoc7.java.link}</commons.javadoc.java.link>
     <commons.jacoco.version>0.8.7</commons.jacoco.version>