Bump react-scripts from 3.4.0 to 3.4.1 in /client

Bumps [react-scripts](https://github.com/facebook/create-react-app/tree/HEAD/packages/react-scripts) from 3.4.0 to 3.4.1.
- [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/[email protected]/packages/react-scripts)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]