ci(tools): update docker/setup-buildx-action action to v4 (#51)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/docker.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Setup Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Hub login
         uses: docker/login-action@v4