Update react-transition-group requirement from ^2.2.1 to ^4.2.1
Update react-transition-group requirement from ^2.2.1 to ^4.2.1

Updates the requirements on [react-transition-group](https://github.com/reactjs/react-transition-group) to permit the latest version.
- [Release notes](https://github.com/reactjs/react-transition-group/releases)
- [Changelog](https://github.com/reactjs/react-transition-group/blob/master/CHANGELOG.md)
- [Commits](https://github.com/reactjs/react-transition-group/compare/v2.2.1...v4.2.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
teamleadercrm/teamleader-ui