Bump docker/setup-buildx-action from 1.5.1 to 1.6.0 (#99)

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v1.5.1...v1.6.0)

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

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

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

.github/workflows/docker.yml

@@ -36,7 +36,7 @@ jobs:
         uses: docker/setup-qemu-action@v1.2.0
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1.5.1
+        uses: docker/setup-buildx-action@v1.6.0
       -
         name: Build and Push
         uses: docker/build-push-action@v2.7.0