Merge pull request #56 from Notifiarr/renovate/docker-setup-buildx-ac…

…tion-3.x

Update docker/setup-buildx-action action to v3

.github/workflows/docker-publish.yml

@@ -33,7 +33,7 @@ jobs:
 
       # Workaround: https://github.com/docker/build-push-action/issues/461
       - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action