chore(deps-dev): bump postcss-nested from 5.0.3 to 5.0.4

Bumps [postcss-nested](https://github.com/postcss/postcss-nested) from 5.0.3 to 5.0.4.
- [Release notes](https://github.com/postcss/postcss-nested/releases)
- [Changelog](https://github.com/postcss/postcss-nested/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss-nested/compare/5.0.3...5.0.4)

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

package.json

@@ -57,7 +57,7 @@
     "cypress": "^6.5.0",
     "postcss": "^8.2.6",
     "postcss-cli": "^8.3.1",
-    "postcss-nested": "^5.0.3",
+    "postcss-nested": "^5.0.4",
     "prettier": "2.2.1",
     "prop-types": "^15.7.2",
     "react": "^17.0.1",