fix ci pipeline for gitea runner

.gitea/workflows/mindflux.yml

@@ -10,13 +10,16 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        run: |
+          echo "Cloning repo..."
+          git clone $GITEA_REPOSITORY_URL repo
+          cd repo
 
-      - name: Setup Java 21
+      - name: Set up Java
-        uses: actions/setup-java@v4
+        run: |
-        with:
+          java -version
-          distribution: temurin
-          java-version: 21
 
       - name: Maven Build
-        run: mvn clean package -DskipTests
+        run: |
+          cd repo
+          mvn -B clean package -DskipTests