Merge pull request 'chore(deps): update docker/setup-buildx-action action to v4' (#13) from renovate/docker-setup-buildx-action-4.x into main

Reviewed-on: #13

.gitea/workflows/ci.yaml

@@ -21,7 +21,7 @@ jobs:
         password: ${{ secrets.PAT }}
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@v4
 
     - name: Build and push
       uses: docker/build-push-action@v7