build(deps): bump docker/setup-buildx-action from 3.8.0 to 3.9.0 (#192)

.github/workflows/container-image.yml

@@ -35,7 +35,7 @@ jobs:
     # > setup-buildx action … is not required but recommended using it to be
     # > able to build multi-platform images, export cache, etc.
     # https://web.archive.org/web/20250103122420/https://github.com/marketplace/actions/build-and-push-docker-images
-    - uses: docker/setup-buildx-action@v3.8.0
+    - uses: docker/setup-buildx-action@v3.9.0
     # > By default, this action uses the Git context so you don't need to use
     # > the actions/checkout action to checkout the repository because this
     # > will be done directly by buildkit. [...]