Bump docker/setup-buildx-action from 2.8.0 to 2.9.0 (#49)

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@v2.8.0...v2.9.0)

---
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/build.yml

@@ -24,7 +24,7 @@ jobs:
  - uses: actions/[email protected]
  with:
  persist-credentials: false
- - uses: docker/setup-buildx-action@v2.8.0
+ - uses: docker/setup-buildx-action@v2.9.0
  - uses: docker/[email protected]
  if: ${{ inputs.push }}
  id: login