Bump maven-checkstyle-plugin from 3.1.2 to 3.2.0 (apache#121)

Bumps [maven-checkstyle-plugin](https://github.com/apache/maven-checkstyle-plugin) from 3.1.2 to 3.2.0.
- [Release notes](https://github.com/apache/maven-checkstyle-plugin/releases)
- [Commits](apache/maven-checkstyle-plugin@maven-checkstyle-plugin-3.1.2...maven-checkstyle-plugin-3.2.0)

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

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -208,7 +208,7 @@
     <commons.scmPubUrl>https://svn.apache.org/repos/infra/websites/production/commons/content/proper/commons-cli</commons.scmPubUrl>
     <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-plugin.version>3.2.0</commons.checkstyle-plugin.version>
     <commons.checkstyle.impl.version>9.3</commons.checkstyle.impl.version>
     <commons.javadoc.version>3.4.1</commons.javadoc.version>
     <commons.javadoc.java.link>${commons.javadoc7.java.link}</commons.javadoc.java.link>