chore(deps-dev): bump prettier from 2.1.0 to 2.1.1

Bumps [prettier](https://github.com/prettier/prettier) from 2.1.0 to 2.1.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@2.1.0...2.1.1)

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