Update all non-major GitHub Actions dependencies to v6.4.2

Author: renovate[bot]

.github/workflows/check.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Check
         run: ./gradlew check javadoc
       - name: Publish Test Report
-        uses: mikepenz/action-junit-report@3a81627bfac62268172037048872e8ebd4207e6d # v6.4.1
+        uses: mikepenz/action-junit-report@d9f48fc87bc235f7e214acf696ca5abc0a986f16 # v6.4.2
         if: always()
         with:
           report_paths: '**/build/test-results/**/TEST-*.xml'