Update dependency strip-ansi to v7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
strip-ansi	6.0.1 -> 7.1.0

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Release Notes

chalk/strip-ansi (strip-ansi)

### [`v7.1.0`](https://redirect.github.com/chalk/strip-ansi/releases/tag/v7.1.0) [Compare Source](https://redirect.github.com/chalk/strip-ansi/compare/v7.0.1...v7.1.0) - Improve performance ([#​49](https://redirect.github.com/chalk/strip-ansi/issues/49)) [`840a5ea`](https://redirect.github.com/chalk/strip-ansi/commit/840a5ea) ### [`v7.0.1`](https://redirect.github.com/chalk/strip-ansi/releases/tag/v7.0.1) [Compare Source](https://redirect.github.com/chalk/strip-ansi/compare/v7.0.0...v7.0.1) - Upgrade dependencies [`ed41f38`](https://redirect.github.com/chalk/strip-ansi/commit/ed41f38) ### [`v7.0.0`](https://redirect.github.com/chalk/strip-ansi/releases/tag/v7.0.0) [Compare Source](https://redirect.github.com/chalk/strip-ansi/compare/v6.0.1...v7.0.0) ##### Breaking - Require Node.js 12 [`7cda68d`](https://redirect.github.com/chalk/strip-ansi/commit/7cda68d) - This package is now pure ESM. Please [read this](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c).

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Configuration

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[hughns]

As noted here upgrading strip-ansi breaks eslint, hence why it is has the manual resolution to v6.