Bump docker/setup-buildx-action from 1.3.0 to 1.4.1 (#27)

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1.3.0 to 1.4.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v1.3.0...v1.4.1)

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

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

Author: dependabot[bot]

.github/workflows/docker.build.yml

@@ -26,7 +26,7 @@ jobs:
         uses: docker/setup-qemu-action@v1.2.0
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1.3.0
+        uses: docker/setup-buildx-action@v1.4.1
       -
         name: Cache Docker layers
         uses: actions/cache@v2.1.6