Update '.gitea/workflows/demo.yaml'

.gitea/workflows/demo.yaml

@@ -22,7 +22,7 @@ jobs:
       #  uses: docker/setup-qemu-action@v2
       #- name: setup buildx
       #  uses: docker/setup-buildx-action@v2
-      - run: docker buildx create --use
+      - run: docker buildx create --driver-opt="image=registry.local/buildkit-wagnerca:stable-3-rootless" --use
       - run: docker buildx ls
       #- uses: actions/checkout@v3
       #- name: docker buildx