chore(deps-dev): bump cross-env from 5.2.0 to 5.2.1
chore(deps-dev): bump cross-env from 5.2.0 to 5.2.1

Bumps [cross-env](https://github.com/kentcdodds/cross-env) from 5.2.0 to 5.2.1.
- [Release notes](https://github.com/kentcdodds/cross-env/releases)
- [Changelog](https://github.com/kentcdodds/cross-env/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kentcdodds/cross-env/compare/v5.2.0...v5.2.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
react-bootstrap/react-bootstrap,react-bootstrap/react-bootstrap,react-bootstrap/react-bootstrap