chore(dependencies): update dependency del to v4 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
del	devDependencies	major	3.0.x -> 4.1.x

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Release Notes

sindresorhus/del

### [`v4.1.1`](https://togithub.com/sindresorhus/del/releases/v4.1.1) [Compare Source](https://togithub.com/sindresorhus/del/compare/v4.1.0...v4.1.1) For TypeScript users only: - Fix missing TypeScript import [`0361dcc`](https://togithub.com/sindresorhus/del/commit/0361dcc) ### [`v4.1.0`](https://togithub.com/sindresorhus/del/releases/v4.1.0) [Compare Source](https://togithub.com/sindresorhus/del/compare/v4.0.0...v4.1.0) - Refactor TypeScript definition to CommonJS compatible export ([#​82](https://togithub.com/sindresorhus/del/issues/82)) [`3f0d604`](https://togithub.com/sindresorhus/del/commit/3f0d604) ### [`v4.0.0`](https://togithub.com/sindresorhus/del/releases/v4.0.0) [Compare Source](https://togithub.com/sindresorhus/del/compare/v3.0.0...v4.0.0) Breaking: - Require Node.js 6 [`434c9f6`](https://togithub.com/sindresorhus/del/commit/434c9f6) Enhancements: - Add TypeScript definition ([#​81](https://togithub.com/sindresorhus/del/issues/81)) [`34c771e`](https://togithub.com/sindresorhus/del/commit/34c771e) - Fix typo in error message ([#​80](https://togithub.com/sindresorhus/del/issues/80)) [`e73cc8a`](https://togithub.com/sindresorhus/del/commit/e73cc8a)

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[codecov-io]

Codecov Report

Merging #132 into develop will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           develop    #132   +/-   ##
=======================================
  Coverage     93.3%   93.3%           
=======================================
  Files            9       9           
  Lines          209     209           
  Branches        29      29           
=======================================
  Hits           195     195           
  Misses          14      14