Bump docker/setup-buildx-action from 1.3.0 to 1.5.1

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1.3.0 to 1.5.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v1.3.0...v1.5.1)

---
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>

.github/workflows/build-push-image.yml

@@ -35,7 +35,7 @@ jobs:
         uses: docker/setup-qemu-action@v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1.3.0
+        uses: docker/setup-buildx-action@v1.5.1
       -
         name: Cache Docker layers
         uses: actions/cache@v2.1.5