chore(deps): update dependency cross-env to v5.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cross-env	5.2.0 -> 5.2.1

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Release Notes

kentcdodds/cross-env (cross-env)

### [`v5.2.1`](https://togithub.com/kentcdodds/cross-env/releases/tag/v5.2.1) [Compare Source](https://togithub.com/kentcdodds/cross-env/compare/v5.2.0...v5.2.1) ##### Bug Fixes - remove is-windows dependency ([#​207](https://togithub.com/kentcdodds/cross-env/issues/207)) ([a75fd0e](https://togithub.com/kentcdodds/cross-env/commit/a75fd0e))

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