Bump docker/setup-buildx-action from 2.8.0 to 2.9.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.8.0 to 2.9.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@16c0bc4...2a1a44a)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
         run: echo "version=$(grep -m1 'FROM alpine' <Dockerfile | awk -F'[:]' '{print $2}')" >> $GITHUB_OUTPUT
 
       - name: Docker Buildx
-        uses: docker/setup-buildx-action@16c0bc4a6e6ada2cfd8afd41d22d95379cf7c32a # v2.8.0
+        uses: docker/setup-buildx-action@2a1a44ac4aa01993040736bd95bb470da1a38365 # v2.9.0
 
       - name: Setup QEMU
         uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7 # v2.2.0