build(deps): bump org.apache.maven.plugins:maven-pmd-plugin

Bumps [org.apache.maven.plugins:maven-pmd-plugin](https://github.com/apache/maven-pmd-plugin) from 3.21.0 to 3.21.2.
- [Release notes](https://github.com/apache/maven-pmd-plugin/releases)
- [Commits](apache/maven-pmd-plugin@maven-pmd-plugin-3.21.0...maven-pmd-plugin-3.21.2)

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

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

pom.xml

@@ -59,7 +59,7 @@
         <maven.license-plugin.version>2.3.0</maven.license-plugin.version>
         <maven.openapi-generator-maven-plugin.version>7.0.1</maven.openapi-generator-maven-plugin.version>
         <maven.pitest-plugin.version>1.15.3</maven.pitest-plugin.version>
-        <maven.pmd-plugin.version>3.21.0</maven.pmd-plugin.version>
+        <maven.pmd-plugin.version>3.21.2</maven.pmd-plugin.version>
         <maven.project-info-reports-plugin.version>3.4.5</maven.project-info-reports-plugin.version>
         <maven.rat-plugin.version>0.15</maven.rat-plugin.version>
         <maven.release-plugin.version>3.0.1</maven.release-plugin.version>