Bump docker/setup-buildx-action from 3.8.0 to 3.9.0 (#50)

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.8.0 to 3.9.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v3.8.0...v3.9.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/docker.yaml

@@ -29,7 +29,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3.8.0
+      uses: docker/setup-buildx-action@v3.9.0
 
     - name: Log into registry ${{ env.REGISTRY }}
       if: github.event_name != 'pull_request'