⬆️ Bump @percy/cli from 1.27.7 to 1.29.4

Bumps [@percy/cli](https://github.com/percy/cli/tree/HEAD/packages/cli) from 1.27.7 to 1.29.4.
- [Release notes](https://github.com/percy/cli/releases)
- [Commits](https://github.com/percy/cli/commits/v1.29.4/packages/cli)

---
updated-dependencies:
- dependency-name: "@percy/cli"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>