build(deps-dev): update jest requirement to ~23.4.2 (#1053)
build(deps-dev): update jest requirement to ~23.4.2 (#1053)

Updates the requirements on [jest](https://github.com/facebook/jest) to permit the latest version.
- [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/v23.4.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
stryker-mutator/stryker,stryker-mutator/stryker,stryker-mutator/stryker