Bump prettier from 2.0.3 to 2.0.4 (#84)

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]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>