chore(deps): update stylelint to v12.0.1

[renovate[bot]]

This PR contains the following updates:

Package	Update	Type	Change	Sourcegraph
stylelint (source)	patch	devDependencies	12.0.0 -> 12.0.1

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Release Notes

stylelint/stylelint

### [`v12.0.1`](https://togithub.com/stylelint/stylelint/blob/master/CHANGELOG.md#​1201) [Compare Source](https://togithub.com/stylelint/stylelint/compare/12.0.0...12.0.1) - Fixed: `string-no-newline` memory leak for ERB templates ([#​4491](https://togithub.com/stylelint/stylelint/pull/4491)).

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