Update docker/setup-buildx-action action to v4

Author: renovate[bot]

.github/workflows/publish.yaml

@@ -21,7 +21,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Generate Metadata
         id: meta