Update dependency husky to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
husky	devDependencies	major	3.1.0 -> 4.0.0

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Release Notes

typicode/husky

### [`v4.0.0`](https://togithub.com/typicode/husky/releases/v4.0.0) [Compare Source](https://togithub.com/typicode/husky/compare/v3.1.0...v4.0.0) - Support `Yarn v2` new Plug'n'Play feature (thanks to [@​arcanis](https://togithub.com/arcanis)) - Improve path handling on Windows (in particular with `Cygwin` and `Cmdr`) - Remove `dependencies` and simplify code - Drop `Node 8` support **Thanks to all contributors and everyone who is supporting Husky on [Open Collective](https://opencollective.com/husky), [GitHub sponsors](https://togithub.com/sponsors/typicode) and [Patreon](https://www.patreon.com/typicode)!**

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