chore(deps): update stylelint to v13.5.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Type	Change	Sourcegraph
stylelint (source)	minor	devDependencies	13.4.0 -> 13.5.0

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Release Notes

stylelint/stylelint

### [`v13.5.0`](https://togithub.com/stylelint/stylelint/blob/master/CHANGELOG.md#​1350) [Compare Source](https://togithub.com/stylelint/stylelint/compare/13.4.1...13.5.0) - Added: `alpha-value-notation` rule ([#​4770](https://togithub.com/stylelint/stylelint/pull/4770)). - Added: `color-function-notation` rule ([#​4760](https://togithub.com/stylelint/stylelint/pull/4760)). - Added: `hue-degree-notation` rule ([#​4769](https://togithub.com/stylelint/stylelint/pull/4769)). ### [`v13.4.1`](https://togithub.com/stylelint/stylelint/blob/master/CHANGELOG.md#​1341) [Compare Source](https://togithub.com/stylelint/stylelint/compare/13.4.0...13.4.1) - Fixed: `time-min-milliseconds` TypeError for `ignore: ["delay"]` and shorthand animation ([#​4783](https://togithub.com/stylelint/stylelint/pull/4783)).

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