Bumps [eslint](https://github.com/eslint/eslint) from 4.10.0 to 4.13.1.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v4.10.0...v4.13.1)