build: update dependency yargs to ~16.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
yargs (source)	~16.1.0 -> ~16.2.0

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Release Notes

yargs/yargs

### [`v16.2.0`](https://togithub.com/yargs/yargs/blob/master/CHANGELOG.md#​1620-httpswwwgithubcomyargsyargscomparev1611v1620-2020-12-05) [Compare Source](https://togithub.com/yargs/yargs/compare/v16.1.1...v16.2.0) ##### Features - command() now accepts an array of modules ([f415388](https://www.github.com/yargs/yargs/commit/f415388cc454d02786c65c50dd6c7a0cf9d8b842)) ##### Bug Fixes - add package.json to module exports ([#​1818](https://www.github.com/yargs/yargs/issues/1818)) ([d783a49](https://www.github.com/yargs/yargs/commit/d783a49a7f21c9bbd4eec2990268f3244c4d5662)), closes [#​1817](https://www.github.com/yargs/yargs/issues/1817) ##### [16.1.1](https://www.github.com/yargs/yargs/compare/v16.1.0...v16.1.1) (2020-11-15) ##### Bug Fixes - expose helpers for legacy versions of Node.js ([#​1801](https://www.github.com/yargs/yargs/issues/1801)) ([107deaa](https://www.github.com/yargs/yargs/commit/107deaa4f68b7bc3f2386041e1f4fe0272b29c0a)) - **deno:** get yargs working on deno@1.5.x ([#​1799](https://www.github.com/yargs/yargs/issues/1799)) ([cb01c98](https://www.github.com/yargs/yargs/commit/cb01c98c44e30f55c2dc9434caef524ae433d9a4))

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