build: Update Gitea workflow to use docker login with password-stdin instead of docker/login-action.

.gitea/workflows/docker-build.yml

@@ -21,12 +21,8 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Log in to the Container registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ gitea.actor }}
-          password: ${{ secrets.ACCESS_TOKEN }}
+      - name: Login to Gitea Registry
+        run: echo ${{ secrets.ACCESS_TOKEN }} | docker login git.almazlar.com -u ${{ gitea.actor }} --password-stdin
 
       - name: Extract metadata (tags, labels) for Backend
         id: meta-backend