Update docker/setup-buildx-action action to v4

Author: renovate[bot]

.github/workflows/release.yaml

@@ -50,7 +50,7 @@ jobs:
           tags: type=ref,event=branch
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Cache Docker layers
         uses: actions/cache@v5