Bump mikepenz/action-junit-report from 5 to 6 (#407)

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
       - name: Publish Test Report
-        uses: mikepenz/action-junit-report@v5
+        uses: mikepenz/action-junit-report@v6
         if: always() # always run even if the previous step fails
         with:
           report_paths: '**/surefire-reports/TEST-*.xml'