Bump maven-pmd-plugin from 3.17.0 to 3.18.0

Bumps [maven-pmd-plugin](https://github.com/apache/maven-pmd-plugin) from 3.17.0 to 3.18.0.
- [Release notes](https://github.com/apache/maven-pmd-plugin/releases)
- [Commits](apache/maven-pmd-plugin@maven-pmd-plugin-3.17.0...maven-pmd-plugin-3.18.0)

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

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

Author: dependabot[bot]

pom.xml

@@ -171,7 +171,7 @@
     <checkstyle.suppress.file>${basedir}/src/site/resources/checkstyle/checkstyle-suppressions.xml</checkstyle.suppress.file>
     <checkstyle.resourceExcludes>LICENSE.txt, NOTICE.txt, **/maven-archiver/pom.properties</checkstyle.resourceExcludes>
 
-    <commons.pmd.version>3.17.0</commons.pmd.version>
+    <commons.pmd.version>3.18.0</commons.pmd.version>
     <commons.pmd-impl.version>6.48.0</commons.pmd-impl.version>
     <commons.jacoco.version>0.8.8</commons.jacoco.version>
     <commons.spotbugs.version>4.7.1.1</commons.spotbugs.version>

src/changes/changes.xml

@@ -63,7 +63,7 @@
       <action                 type="update" dev="ggregory" due-to="Dependabot">Bump jmh-generator-annprocess from 1.32 to 1.35 #175, #206, #226.</action>
       <action                 type="update" dev="ggregory" due-to="Dependabot, Gary Gregory">Bump commons.pmd-impl.version from 6.36.0 to 6.45.0 #173, #189, #193, #199, #227, #233.</action>
       <action                 type="update" dev="ggregory" due-to="Dependabot, Gary Gregory">Bump mockito-core from 3.11.2 to 4.7.0 #187, #197, #204, #212, #230, #237, #251.</action>
-      <action                 type="update" dev="ggregory" due-to="Dependabot">Bump maven-pmd-plugin from 3.14.0 to 3.17.0 #184, #219, #238.</action>
+      <action                 type="update" dev="ggregory" due-to="Dependabot">Bump maven-pmd-plugin from 3.14.0 to 3.18.0 #184, #219, #238, #254.</action>
       <action                 type="update" dev="ggregory" due-to="Dependabot">Bump commons.pmd-impl.version from 6.41.0 to 6.48.0 #214, #236, #240, #247.</action>
       <action                 type="update" dev="ggregory" due-to="Gary Gregory">Bump opencsv from 5.5.1 to 5.6 #182, #221.</action>
       <action                 type="update" dev="ggregory" due-to="Dependabot">Bump spotbugs-maven-plugin from 4.3.0 to 4.7.1.1 #192, #198, #203, #211, #225, #234, #242, #245.</action>