fix(deps): update dependency log-symbols to v4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
log-symbols	3.0.0 -> 4.0.0

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Release Notes

sindresorhus/log-symbols

### [`v4.0.0`](https://togithub.com/sindresorhus/log-symbols/releases/v4.0.0) [Compare Source](https://togithub.com/sindresorhus/log-symbols/compare/v3.0.0...v4.0.0) ##### Breaking - Require Node.js 10 ([#​23](https://togithub.com/sindresorhus/log-symbols/issues/23)) [`7d6db1d`](https://togithub.com/sindresorhus/log-symbols/commit/7d6db1d) ##### Improvements - Upgrade dependencies ([#​23](https://togithub.com/sindresorhus/log-symbols/issues/23)) [`7d6db1d`](https://togithub.com/sindresorhus/log-symbols/commit/7d6db1d)

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