Bump jest from 22.4.0 to 22.4.2

Bumps [jest](https://github.com/facebook/jest) from 22.4.0 to 22.4.2.
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](jestjs/jest@v22.4.0...v22.4.2)

Author: dependabot-support