Replace manual caching and wrapper-validation with setup-gradle action

.github/workflows/publish-to-github-pages.yml

@@ -18,19 +18,10 @@ jobs:
         with:
           java-version: '17'
           distribution: 'temurin'
-          cache: gradle
-      - name: Validate Gradle wrapper
-        uses: gradle/wrapper-validation-action@85cde3f5a1033b2adc2442631c24b530f1183a1a
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@d156388eb19639ec20ade50009f3d199ce1e2808
       - name: Build with Gradle
         run: ./gradlew makePages
-      - name: Cleanup Gradle Cache
-        # Remove some files from the Gradle cache, so they aren't cached by GitHub Actions.
-        # Restoring these files from a GitHub Actions cache might cause problems for future builds.
-        run: |
-          rm -f ~/.gradle/caches/modules-2/modules-2.lock
-          rm -f ~/.gradle/caches/modules-2/gc.properties
-          rm -fr ~/.gradle/caches/*/plugin-resolution/
-          find ~/.gradle/caches/ -name "*.lock" -type f -delete
       - name: Pages artifact
         uses: actions/upload-artifact@v4
         with: