chore(deps): update dependency stylelint-scss to v6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
stylelint-scss	^5.0.0 -> ^6.0.0

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Release Notes

stylelint-scss/stylelint-scss (stylelint-scss)

### [`v6.0.0`](https://togithub.com/stylelint-scss/stylelint-scss/blob/HEAD/CHANGELOG.md#600) [Compare Source](https://togithub.com/stylelint-scss/stylelint-scss/compare/v5.3.2...v6.0.0) - Added: `stylelint@16` support. - Removed: `stylelint@14` and `stylelint@15` support. **Full Changelog**: https://github.com/stylelint-scss/stylelint-scss/compare/v5.3.2...v6.0.0 ### [`v5.3.2`](https://togithub.com/stylelint-scss/stylelint-scss/blob/HEAD/CHANGELOG.md#532) [Compare Source](https://togithub.com/stylelint-scss/stylelint-scss/compare/v5.3.1...v5.3.2) - Fixed: `function-no-unknown` false negatives for functions with namespace ([#​888](https://togithub.com/stylelint-scss/stylelint-scss/issues/888)) - Fixed: `at-root-no-redundant` check selector list for parent selectors ([#​886](https://togithub.com/stylelint-scss/stylelint-scss/issues/886)) **Full Changelog**: https://github.com/stylelint-scss/stylelint-scss/compare/v5.3.1...v5.3.2

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