Merge pull request #114 from nginx-proxy/dependabot/github_actions/docker/setup-buildx-action-4

ci: bump docker/setup-buildx-action from 3 to 4

Author: buchdag

.github/workflows/build-publish.yml

@@ -54,7 +54,7 @@ jobs:
         uses: docker/setup-qemu-action@v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Login to DockerHub
         uses: docker/login-action@v4