feat: add Gradle caching to Java setup in workflow and update verification step

.gitea/workflows/action.yaml

@@ -14,7 +14,8 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'oracle'
-          java-version: '21'  # Adjust as needed
+          java-version: '21'
+          cache: 'gradle'
 
       #- name: Install Gradle
       #  run: |
@@ -22,7 +23,7 @@ jobs:
       #    sudo apt install -y gradle
 
       - name: Verify Gradle Installation
-        run: gradle --version
+        run: ./gradlew build --no-daemon
 
       - name: List files in the repository
         run: ls ${{ gitea.workspace }}