build(deps): bump the ci group with 1 update

Bumps the ci group with 1 update: [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action).

- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](16c0bc4a6e...2a1a44ac4a)

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

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

.github/workflows/release.yaml

@@ -32,7 +32,7 @@ jobs:
         uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7 # v2.2.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@16c0bc4a6e6ada2cfd8afd41d22d95379cf7c32a  # v2.8.0
+        uses: docker/setup-buildx-action@2a1a44ac4aa01993040736bd95bb470da1a38365  # v2.9.0
       - name: Setup Syft
         uses: anchore/sbom-action/download-syft@78fc58e266e87a38d4194b2137a3d4e9bcaf7ca1 # v0.14.3
       - name: Setup Cosign