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

Bumps [org.apache.maven.plugin-testing:maven-plugin-testing-harness](https://github.com/apache/maven-plugin-testing) from 4.0.0-beta-3 to 4.0.0-beta-4.
- [Release notes](https://github.com/apache/maven-plugin-testing/releases)
- [Commits](apache/maven-plugin-testing@maven-plugin-testing-4.0.0-beta-3...v4.0.0-beta-4)

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

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

Author: dependabot[bot]

pom.xml

@@ -83,7 +83,7 @@ under the License.
     <mavenSourcePluginVersion>${version.maven-source-plugin}</mavenSourcePluginVersion>
     <mavenSurefirePluginVersion>${version.maven-surefire}</mavenSurefirePluginVersion>
     <mavenWarPluginVersion>${version.maven-war-plugin}</mavenWarPluginVersion>
-    <mavenPluginTestingVersion>4.0.0-beta-3</mavenPluginTestingVersion>
+    <mavenPluginTestingVersion>4.0.0-beta-4</mavenPluginTestingVersion>
     <mavenResolverVersion>2.0.7</mavenResolverVersion>
     <mockitoVersion>5.16.1</mockitoVersion>
     <slf4jVersion>2.0.17</slf4jVersion>