chore(deps): update dependency cross-env to v6 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
cross-env	dependencies	major	^5.2.0 -> ^6.0.3

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Release Notes

kentcdodds/cross-env

### [`v6.0.3`](https://togithub.com/kentcdodds/cross-env/releases/v6.0.3) [Compare Source](https://togithub.com/kentcdodds/cross-env/compare/v6.0.2...v6.0.3) ##### Bug Fixes - do not compile anything ([67f21c3](https://togithub.com/kentcdodds/cross-env/commit/67f21c3)) ### [`v6.0.2`](https://togithub.com/kentcdodds/cross-env/releases/v6.0.2) [Compare Source](https://togithub.com/kentcdodds/cross-env/compare/v6.0.1...v6.0.2) ##### Bug Fixes - table of contents in README ([a825e9c](https://togithub.com/kentcdodds/cross-env/commit/a825e9c)) ### [`v6.0.1`](https://togithub.com/kentcdodds/cross-env/releases/v6.0.1) [Compare Source](https://togithub.com/kentcdodds/cross-env/compare/v6.0.0...v6.0.1) ##### Bug Fixes - update all packages, tests, and README ([36bb6c3](https://togithub.com/kentcdodds/cross-env/commit/36bb6c3)) ### [`v6.0.0`](https://togithub.com/kentcdodds/cross-env/releases/v6.0.0) [Compare Source](https://togithub.com/kentcdodds/cross-env/compare/v5.2.1...v6.0.0) ##### Bug Fixes - bumped cross-spawn to version 7.0.0 ([#​211](https://togithub.com/kentcdodds/cross-env/issues/211)) ([61ebf59](https://togithub.com/kentcdodds/cross-env/commit/61ebf59)) ##### BREAKING CHANGES - Drop support for Node.js < 7. ### [`v5.2.1`](https://togithub.com/kentcdodds/cross-env/releases/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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