Bump @babel/preset-env from 7.3.4 to 7.4.1

Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.3.4 to 7.4.1.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.3.4...v7.4.1)

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