Bump docker/setup-buildx-action from 2.4.1 to 2.9.1

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.4.1 to 2.9.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v2.4.1...v2.9.1)

---
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]>

Author: dependabot[bot]

.github/workflows/devcontainer-docker-image.yml

@@ -22,7 +22,7 @@ jobs:
       uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
 
     - name: Setup Docker buildx
-      uses: docker/setup-buildx-action@v2.4.1
+      uses: docker/setup-buildx-action@v2.9.1
 
     - name: Prepare metadata
       id: meta