chore(deps): update pmdversion to v6.55.0

Author: renovate-bot

pom.xml

@@ -27,7 +27,7 @@ limitations under the License.
     <maven-compiler-plugin>3.10.1</maven-compiler-plugin>
     <nexus-staging-maven-plugin>1.6.13</nexus-staging-maven-plugin>
     <maven-gpg-plugin>3.0.1</maven-gpg-plugin>
-    <pmdVersion>6.53.0</pmdVersion>
+    <pmdVersion>6.55.0</pmdVersion>
     <skipTests>false</skipTests>
   </properties>