Merge pull request #51 from uselagoon/renovate/docker-setup-buildx-ac…

…tion-3.x

Update docker/setup-buildx-action action to v3

.github/workflows/build_and_publish.yml

@@ -31,7 +31,7 @@ jobs:
         uses: docker/setup-qemu-action@v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       -
         name: Login to DockerHub
         if: github.event_name != 'pull_request'