Bump org.apache.maven.plugin-testing:maven-plugin-testing-harness

Bumps org.apache.maven.plugin-testing:maven-plugin-testing-harness from 3.3.0 to 3.4.0.

---
updated-dependencies:
- dependency-name: org.apache.maven.plugin-testing:maven-plugin-testing-harness
  dependency-version: 3.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -89,7 +89,7 @@
 		<maven-shared-utils.version>3.4.2</maven-shared-utils.version>
 		<file-management.version>3.2.0</file-management.version>
 		<maven-plugin-annotations.version>3.15.2</maven-plugin-annotations.version>
-		<maven-plugin-testing-harness.version>3.3.0</maven-plugin-testing-harness.version>
+		<maven-plugin-testing-harness.version>3.4.0</maven-plugin-testing-harness.version>
 		<plantuml-maven-plugin-version>1.2</plantuml-maven-plugin-version>
 		<plantuml-version>8059</plantuml-version>
 		<xml-maven-plugin-version>1.2.0</xml-maven-plugin-version>