Bump maven-pmd-plugin from 3.14.0 to 3.15.0

Bumps [maven-pmd-plugin](https://github.com/apache/maven-pmd-plugin) from 3.14.0 to 3.15.0.
- [Release notes](https://github.com/apache/maven-pmd-plugin/releases)
- [Commits](apache/maven-pmd-plugin@maven-pmd-plugin-3.14.0...maven-pmd-plugin-3.15.0)

---
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>

pom.xml

@@ -290,7 +290,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>3.14.0</version>
+        <version>3.15.0</version>
         <configuration>
           <targetJdk>${maven.compiler.target}</targetJdk>
           <rulesets>

src/changes/changes.xml

@@ -67,7 +67,7 @@ The <action> type attribute can be add,update,fix,remove.
         Bump spotbugs-maven-plugin from 4.0.4 to 4.3.0 #111 #115 #125 #129 #157.
       </action>
       <action dev="kinow" type="update" due-to="Dependabot">
-        Bump maven-pmd-plugin from 3.13.0 to 3.14.0 #109.
+        Bump maven-pmd-plugin from 3.13.0 to 3.15.0 #109 #166.
       </action>
       <action issue="IMAGING-216" dev="kinow" type="add" due-to="Gary Lucas">
         Imaging.getBufferedImage() drops alpha layer for TIFF images.