Updated gradle/actions/setup-gradle version, as

the current one was removed from the allowed repos apparently

Author: ddekany

.github/workflows/ci.yml

@@ -54,7 +54,8 @@ jobs:
           java-version: 17
           distribution: oracle
       - name: Validate Gradle wrapper
-        uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # v5.0.0
+        # See latest versions here: https://github.com/gradle/actions/releases
+        uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0
       - name: Run Build
         id: build_step
         run: './gradlew "-Pfreemarker.signMethod=none" "-Pfreemarker.allowUnsignedReleaseBuild=true" --continue clean build'