Bump docker/setup-buildx-action from 2.0.0 to 2.9.1

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.0.0 to 2.9.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v2.0.0...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/docker.build.yml

@@ -26,7 +26,7 @@ jobs:
         uses: docker/[email protected]
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2.0.0
+        uses: docker/setup-buildx-action@v2.9.1
       -
         name: Cache Docker layers
         uses: actions/[email protected]