Merge pull request #571 from apache/dependabot/maven/org.apache.maven.plugin-testing-maven-plugin-testing-harness-3.4.0

RAT-498: Bump org.apache.maven.plugin-testing:maven-plugin-testing-harness from 3.3.0 to 3.4.0

Author: ottlinger

pom.xml

@@ -60,7 +60,7 @@ agnostic home for software distribution comprehension and audit tools.
     <velocity.core.version>2.4.1</velocity.core.version>
     <velocity.tools.version>3.1</velocity.tools.version>
     <!-- maven plugin versions -->
-    <mavenPluginTestingVersion>3.3.0</mavenPluginTestingVersion>
+    <mavenPluginTestingVersion>3.4.0</mavenPluginTestingVersion>
     <mavenPluginPluginVersion>3.15.2</mavenPluginPluginVersion>
     <mavenChangesVersion>3.0.0-M3</mavenChangesVersion>
     <mavenJavadocPluginVersion>3.12.0</mavenJavadocPluginVersion>