chore(deps-dev): bump postcss-nested from 4.2.2 to 4.2.3

Bumps [postcss-nested](https://github.com/postcss/postcss-nested) from 4.2.2 to 4.2.3.
- [Release notes](https://github.com/postcss/postcss-nested/releases)
- [Changelog](https://github.com/postcss/postcss-nested/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss-nested/compare/4.2.2...4.2.3)

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

package-lock.json

@@ -10327,9 +10327,9 @@
       }
     },
     "postcss-nested": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/postcss-nested/-/postcss-nested-4.2.2.tgz",
-      "integrity": "sha512-KivGs+ikQlX8VvR9pbaNA/eVmnCN9WcvD8sO9gPqgy6Q6teOH9NqbHHv+czcVJwbBtIdcq/lCzsVgK9daNrhDQ==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/postcss-nested/-/postcss-nested-4.2.3.tgz",
+      "integrity": "sha512-rOv0W1HquRCamWy2kFl3QazJMMe1ku6rCFoAAH+9AcxdbpDeBr6k968MLWuLjvjMcGEip01ak09hKOEgpK9hvw==",
       "dev": true,
       "requires": {
         "postcss": "^7.0.32",

package.json

@@ -45,7 +45,7 @@
     "babel-loader": "^8.1.0",
     "babel-preset-react-app": "^9.1.2",
     "cypress": "^4.9.0",
-    "postcss-nested": "^4.2.2",
+    "postcss-nested": "^4.2.3",
     "prettier": "2.0.5",
     "prop-types": "^15.7.2",
     "react": "^16.13.1",