deps: Bump babel-jest from 24.8.0 to 24.9.0 (#329)

Bumps [babel-jest](https://github.com/facebook/jest/tree/HEAD/packages/babel-jest) from 24.8.0 to 24.9.0.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/commits/v24.9.0/packages/babel-jest)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>