chore(ci): bump docker/setup-buildx-action in /.github/workflows

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.7.1 to 3.8.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v3.7.1...v3.8.0)

---
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]>

.github/workflows/docker-publish.yml

@@ -121,7 +121,7 @@ jobs:
       # multi-platform images and export cache
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.7.1
+        uses: docker/setup-buildx-action@v3.8.0
 
       # Login to GitHub Container Registry
       # https://github.com/docker/login-action