build(deps-dev): update react-scripts requirement to ~1.1.4 (#994)
build(deps-dev): update react-scripts requirement to ~1.1.4 (#994)

Updates the requirements on [react-scripts](https://github.com/facebookincubator/create-react-app) to permit the latest version.
- [Release notes](https://github.com/facebookincubator/create-react-app/releases)
- [Changelog](https://github.com/facebook/create-react-app/blob/next/CHANGELOG.md)
- [Commits](https://github.com/facebookincubator/create-react-app/commits/react-scripts@1.1.4)

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