chore(deps-dev): Bump prettier from 2.0.3 to 2.0.4

Bumps [prettier](https://github.com/prettier/prettier) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@2.0.3...2.0.4)

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