Bump docker/setup-buildx-action from 2.7.0 to 2.8.0 (#805)

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v2.7.0...16c0bc4)

---
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>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -158,7 +158,7 @@ jobs:
           go-version-file: go.mod
 
       - name: Docker Buildx
-        uses: docker/setup-buildx-action@ecf95283f03858871ff00b787d79c419715afc34 # v2.7.0
+        uses: docker/setup-buildx-action@16c0bc4a6e6ada2cfd8afd41d22d95379cf7c32a # v2.8.0
 
       - name: Docker meta
         id: meta