⬆️ Bump @percy/sdk-utils from 1.12.0 to 1.28.9

Bumps [@percy/sdk-utils](https://github.com/percy/cli/tree/HEAD/packages/sdk-utils) from 1.12.0 to 1.28.9.
- [Release notes](https://github.com/percy/cli/releases)
- [Commits](https://github.com/percy/cli/commits/v1.28.9/packages/sdk-utils)

---
updated-dependencies:
- dependency-name: "@percy/sdk-utils"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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