Bump mikepenz/action-junit-report from 2 to 4 (#1270)

.github/workflows/maven.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Build with Maven
         run: ./mvnw -s .settings.xml clean org.jacoco:jacoco-maven-plugin:prepare-agent install -U -P sonar -nsu --batch-mode -Dmaven.test.redirectTestOutputToFile=true -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
       - 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'