Bump org.apache.maven.plugins:maven-pmd-plugin from 3.21.2 to 3.28.0

Bumps [org.apache.maven.plugins:maven-pmd-plugin](https://github.com/apache/maven-pmd-plugin) from 3.21.2 to 3.28.0.
- [Release notes](https://github.com/apache/maven-pmd-plugin/releases)
- [Commits](apache/maven-pmd-plugin@maven-pmd-plugin-3.21.2...maven-pmd-plugin-3.28.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-pmd-plugin
  dependency-version: 3.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -77,7 +77,7 @@
     <version.plugin.install>3.1.4</version.plugin.install>
     <version.plugin.resources>3.3.1</version.plugin.resources>
     <version.plugin.site>3.22.0</version.plugin.site>
-    <version.plugin.pmd>3.21.2</version.plugin.pmd>
+    <version.plugin.pmd>3.28.0</version.plugin.pmd>
     <version.plugin.jacoco>0.8.15</version.plugin.jacoco>
 
     <plugin.jacoco.skip>true</plugin.jacoco.skip>