Bump stylelint-scss from 6.12.1 to 6.13.0

Bumps [stylelint-scss](https://github.com/stylelint-scss/stylelint-scss) from 6.12.1 to 6.13.0.
- [Release notes](https://github.com/stylelint-scss/stylelint-scss/releases)
- [Changelog](https://github.com/stylelint-scss/stylelint-scss/blob/master/CHANGELOG.md)
- [Commits](stylelint-scss/stylelint-scss@v6.12.1...v6.13.0)

---
updated-dependencies:
- dependency-name: stylelint-scss
  dependency-version: 6.13.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]