Bump react-scripts from 3.3.0 to 3.3.1 (#684)
Bumps [react-scripts](https://github.com/facebook/create-react-app/tree/HEAD/packages/react-scripts) from 3.3.0 to 3.3.1.
- [Release notes](https://github.com/facebook/create-react-app/releases)
- [Changelog](https://github.com/facebook/create-react-app/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/create-react-app/commits/react-scripts@3.3.1/packages/react-scripts)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>