Bump maven-pmd-plugin from 3.8 to 3.13.0

Bumps [maven-pmd-plugin](https://github.com/apache/maven-pmd-plugin) from 3.8 to 3.13.0.
- [Release notes](https://github.com/apache/maven-pmd-plugin/releases)
- [Commits](https://github.com/apache/maven-pmd-plugin/compare/maven-pmd-plugin-3.8...maven-pmd-plugin-3.13.0)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 93c5bf4..a3e1408 100644
--- a/pom.xml
+++ b/pom.xml
@@ -996,7 +996,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-pmd-plugin</artifactId>
-          <version>3.8</version>
+          <version>3.13.0</version>
           <configuration>
             <targetJdk>${maven.compiler.target}</targetJdk>
             <rulesets>