chore(deps): update dependency cpy-cli to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
cpy-cli	devDependencies	major	2.0.0 -> 3.0.0

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Release Notes

sindresorhus/cpy-cli

### [`v3.0.0`](https://togithub.com/sindresorhus/cpy-cli/releases/v3.0.0) [Compare Source](https://togithub.com/sindresorhus/cpy-cli/compare/v2.0.0...v3.0.0) ##### Breaking - Require Node.js 8 [`a31ef18`](https://togithub.com/sindresorhus/cpy-cli/commit/a31ef18) - Throw if the given source file does not exist [sindresorhus/cpy@`c4014c0`](https://togithub.com/sindresorhus/cpy/commit/c4014c0e79abbba7e8ce9c205dbeeab98221d347)

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[infinitered-circleci]

:tada: This PR is included in version 4.2.0 :tada:

The release is available on:

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