Bump stylelint from 13.13.1 to 14.2.0 (#7431)

* Bump stylelint from 13.13.1 to 14.2.0

Bumps [stylelint](https://github.com/stylelint/stylelint) from 13.13.1 to 14.2.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/stylelint/stylelint/compare/13.13.1...14.2.0)

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

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

* upgrade to newest stylelint

* fix style issues

* fix color function rules to match old Angular

* rollback modern color func

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Denys Vuika <denys.vuika@gmail.com>

package.json

@@ -155,6 +155,8 @@
     "nconf": "^0.11.1",
     "ng-packagr": "^10.1.2",
     "node-sass": "^4.14.1",
+    "postcss": "^8.4.5",
+    "postcss-sass": "^0.5.0",
     "protractor": "^7.0.0",
     "protractor-retry-angular-cli": "^2.0.2",
     "protractor-screenshoter-plugin": "0.10.3",
@@ -163,7 +165,8 @@
     "rxjs-tslint-rules": "^4.34.7",
     "sass-loader": "10.1.1",
     "selenium-webdriver": "4.1.0",
-    "stylelint": "^13.13.1",
+    "stylelint": "^14.2.0",
+    "stylelint-config-standard-scss": "^3.0.0",
     "ts-node": "^10.4.0",
     "tsconfig-paths": "^3.12.0",
     "tslint": "6.1.3",