Upgrade to gradle/actions v4.2.1

Author: mrotteveel

.github/workflows/run-tests.yml

@@ -20,7 +20,7 @@ jobs:
           java-version: '11'
           distribution: 'temurin'
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@d156388eb19639ec20ade50009f3d199ce1e2808
+        uses: gradle/actions/setup-gradle@cc4fc85e6b35bafd578d5ffbc76a5518407e1af0
         with:
           cache-read-only: ${{ github.ref != 'refs/heads/Branch_5_0' }}
       - name: Build with Gradle