build(deps): bump docker/setup-buildx-action from 1.4.1 to 1.5.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1.4.1 to 1.5.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v1.4.1...v1.5.0)

---
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>

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
           go-version: 1.16
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1.4.1
+        uses: docker/setup-buildx-action@v1.5.0
 
       - name: Login to DockerHub
         uses: docker/login-action@v1.10.0