Bumps [prettier](https://github.com/prettier/prettier) from 1.16.4 to 1.17.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/1.16.4...1.17.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>