chore(deps): update docker/setup-buildx-action action to v4

Author: renovate[bot]

.github/workflows/build-docker.yml

@@ -18,7 +18,7 @@ jobs:
           platforms: all
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
         with:
           version: latest
       - name: Login to DockerHub