chore(deps): update dependency p-defer to v4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
p-defer	^3.0.0 -> ^4.0.1

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Release Notes

sindresorhus/p-defer (p-defer)

### [`v4.0.1`](https://togithub.com/sindresorhus/p-defer/releases/tag/v4.0.1) [Compare Source](https://togithub.com/sindresorhus/p-defer/compare/v4.0.0...v4.0.1) - Types: Allow destructuring ([#​9](https://togithub.com/sindresorhus/p-defer/issues/9)) [`a6661a0`](https://togithub.com/sindresorhus/p-defer/commit/a6661a0) ### [`v4.0.0`](https://togithub.com/sindresorhus/p-defer/releases/tag/v4.0.0) [Compare Source](https://togithub.com/sindresorhus/p-defer/compare/v3.0.0...v4.0.0) ##### Breaking - Require Node.js 12 [`f83ba3b`](https://togithub.com/sindresorhus/p-defer/commit/f83ba3b) - This package is now pure ESM. Please [read this](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c).

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