Bump eslint-plugin-prettier from 3.3.0 to 3.4.0

Bumps [eslint-plugin-prettier](https://github.com/prettier/eslint-plugin-prettier) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/prettier/eslint-plugin-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-plugin-prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/eslint-plugin-prettier/commits)

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

Author: dependabot[bot]