build(deps): bump github.com/sanity-io/litter from 1.5.5 to 1.5.7
Bumps [github.com/sanity-io/litter](https://github.com/sanity-io/litter) from 1.5.5 to 1.5.7.
- [Changelog](https://github.com/sanity-io/litter/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sanity-io/litter/compare/v1.5.5...v1.5.7)