Bump mikepenz/action-junit-report from 2 to 4 (#3071)

Bumps [mikepenz/action-junit-report](https://github.com/mikepenz/action-junit-report) from 2 to 4.
- [Release notes](https://github.com/mikepenz/action-junit-report/releases)
- [Commits](mikepenz/action-junit-report@v2...v4)

---
updated-dependencies:
- dependency-name: mikepenz/action-junit-report
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/maven.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Build with Maven
         run: ./mvnw clean install -B -U -Pspring -Dmaven.test.redirectTestOutputToFile=true -Dmaven.wagon.http.pool=false -Dmaven.wagon.httpconnectionManager.ttlSeconds=120
       - name: Publish Test Report
-        uses: mikepenz/action-junit-report@v2
+        uses: mikepenz/action-junit-report@v4
         if: always() # always run even if the previous step fails
         with:
           report_paths: '**/surefire-reports/TEST-*.xml'