chore(deps): update mikepenz/action-junit-report action to v6

Author: renovate[bot]

.github/workflows/gradle.yml

@@ -105,7 +105,7 @@ jobs:
         with:
           name: junit-test-results-${{ matrix.tag }}
       - name: Publish Test Report
-        uses: mikepenz/action-junit-report@v5
+        uses: mikepenz/action-junit-report@v6
         with:
           check_name: Test Report - ${{ matrix.tag }}
           commit: ${{github.event.workflow_run.head_sha}}