Bump babel-plugin-preval from 3.0.1 to 4.0.0 (#12414)

Bumps [babel-plugin-preval](https://github.com/kentcdodds/babel-plugin-preval) from 3.0.1 to 4.0.0.
- [Release notes](https://github.com/kentcdodds/babel-plugin-preval/releases)
- [Changelog](https://github.com/kentcdodds/babel-plugin-preval/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kentcdodds/babel-plugin-preval/compare/v3.0.1...v4.0.0

)

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