chore: bump bufbuild/buf-setup-action from 1.30.1 to 1.31.0

Bumps [bufbuild/buf-setup-action](https://github.com/bufbuild/buf-setup-action) from 1.30.1 to 1.31.0.
- [Release notes](https://github.com/bufbuild/buf-setup-action/releases)
- [Commits](bufbuild/buf-setup-action@v1.30.1...v1.31.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/proto-registry.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: bufbuild/buf-setup-action@v1.30.1
+      - uses: bufbuild/buf-setup-action@v1.31.0
       - uses: bufbuild/buf-push-action@v1
         with:
           buf_token: ${{ secrets.BUF_TOKEN }}