add login to dockerhub with secret token

.gitea/workflows/build-and-push.yaml

@@ -18,11 +18,6 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0 
-
       - name: Prepare Environment and Read Config
         id: prep
         run: |
@@ -119,6 +114,12 @@ jobs:
       - name: Set up Docker Buildx
         if: steps.check_changes.outputs.should_build == 'true'
         uses: docker/setup-buildx-action@v3
+        
+      - name: Login to Docker Hub
+        uses: https://github.com/docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Build and Push Docker Image
         if: steps.check_changes.outputs.should_build == 'true'