Bump stylelint-scss from 5.1.0 to 5.2.1

Bumps [stylelint-scss](https://github.com/stylelint-scss/stylelint-scss) from 5.1.0 to 5.2.1.
- [Release notes](https://github.com/stylelint-scss/stylelint-scss/releases)
- [Changelog](https://github.com/stylelint-scss/stylelint-scss/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stylelint-scss/stylelint-scss/compare/v5.1.0...v5.2.1)

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

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

package.json

@@ -64,7 +64,7 @@
     "stylelint": "^15.10.3",
     "stylelint-config-standard": "^34.0.0",
     "stylelint-config-standard-scss": "^11.0.0",
-    "stylelint-scss": "^5.1.0",
+    "stylelint-scss": "^5.2.1",
     "stylelint-webpack-plugin": "^4.1.1",
     "terser-webpack-plugin": "^5.3.9",
     "url-loader": "^4.1.1",

yarn.lock

@@ -5625,11 +5625,12 @@ stylelint-config-standard@^34.0.0:
   dependencies:
     stylelint-config-recommended "^13.0.0"
 
-stylelint-scss@^5.1.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/stylelint-scss/-/stylelint-scss-5.1.0.tgz#dd318bc5c65f7a11f3ecacc7b6e8b67e7f2f1df1"
-  integrity sha512-E+KlQFXv1Euha43qw3q+wKBSli557wxbbo6/39DWhRNXlUa9Cz+FYrcgz+PT6ag0l6UisCYjAGCNhoSl4FcwlA==
+stylelint-scss@^5.1.0, stylelint-scss@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/stylelint-scss/-/stylelint-scss-5.2.1.tgz#810299e4141fa38852bd14536a90e4942c8f387f"
+  integrity sha512-ZoTJUM85/qqpQHfEppjW/St//8s6p9Qsg8deWlYlr56F9iUgC9vXeIDQvH4odkRRJLTLFQzYMALSOFCQ3MDkgw==
   dependencies:
+    known-css-properties "^0.28.0"
     postcss-media-query-parser "^0.2.3"
     postcss-resolve-nested-selector "^0.1.1"
     postcss-selector-parser "^6.0.13"