Update docker/setup-buildx-action action to v4

.gitea/workflows/build.yaml

@@ -11,14 +11,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Checkout
         uses: actions/checkout@v6
 
       - name: Login to Container Registry
         if: ${{ gitea.event_name != 'pull_request' }}
-        uses: docker/login-action@v4
+        uses: docker/login-action@v3
         with:
           registry: docker.valverde.cloud
           username: ${{ secrets.DOCKER_REGISTRY_USERNAME }}