Merge pull request #8 from PartTimeLegend/renovate/docker-setup-build…

…x-action-3.x

Update docker/setup-buildx-action action to v3

.github/workflows/docker.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v2  # Check out your repository's code
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
 
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3