Bump stylelint-scss from 3.20.1 to 3.21.0 (#126)

Bumps [stylelint-scss](https://github.com/kristerkari/stylelint-scss) from 3.20.1 to 3.21.0.
- [Release notes](https://github.com/kristerkari/stylelint-scss/releases)
- [Changelog](https://github.com/kristerkari/stylelint-scss/blob/master/CHANGELOG.md)
- [Commits](stylelint-scss/stylelint-scss@3.20.1...3.21.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -34,7 +34,7 @@
     "stylelint-config-recommended-scss": "^4.3.0",
     "stylelint-config-standard": "^22.0.0",
     "stylelint-order": "^4.1.0",
-    "stylelint-scss": "^3.20.1"
+    "stylelint-scss": "^3.21.0"
   },
   "devDependencies": {
     "eslint": "^7.32.0",