Bump maven-plugin-plugin from 3.7.1 to 3.8.1 (#695)

Bumps [maven-plugin-plugin](https://github.com/apache/maven-plugin-tools) from 3.7.1 to 3.8.1.
- [Release notes](https://github.com/apache/maven-plugin-tools/releases)
- [Commits](apache/maven-plugin-tools@maven-plugin-tools-3.7.1...maven-plugin-tools-3.8.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -1059,7 +1059,7 @@
     <maven-jar-plugin.version>3.3.0</maven-jar-plugin.version>
     <maven-javadoc-plugin.version>3.5.0</maven-javadoc-plugin.version>
     <maven-jxr-plugin.version>3.3.0</maven-jxr-plugin.version>
-    <maven-plugin-plugin.version>3.7.1</maven-plugin-plugin.version>
+    <maven-plugin-plugin.version>3.8.1</maven-plugin-plugin.version>
     <maven-pmd-plugin.version>3.20.0</maven-pmd-plugin.version>
     <maven-project-info-reports-plugin.version>3.4.2</maven-project-info-reports-plugin.version>
     <maven-release-plugin.version>2.5.3</maven-release-plugin.version>