Bump postcss from 8.2.2 to 8.2.4 (#3300)

Bumps [postcss](https://github.com/postcss/postcss) from 8.2.2 to 8.2.4.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.2.2...8.2.4)

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

package-lock.json

@@ -8360,9 +8360,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.2.2",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.2.tgz",
-      "integrity": "sha512-HM1NDNWLgglJPQQMNwvLxgH2KcrKZklKLi/xXYIOaqQB57p/pDWEJNS83PVICYsn1Dg/9C26TiejNr422/ePaQ==",
+      "version": "8.2.4",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.4.tgz",
+      "integrity": "sha512-kRFftRoExRVXZlwUuay9iC824qmXPcQQVzAjbCCgjpXnkdMCJYBu2gTwAaFBzv8ewND6O8xFb3aELmEkh9zTzg==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.1",

package.json

@@ -145,7 +145,7 @@
     "node-sass-package-importer": "^5.3.2",
     "nodemon": "^2.0.7",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.2.2",
+    "postcss": "^8.2.4",
     "postcss-cli": "^8.3.1",
     "rollup": "^2.35.1",
     "stylelint": "^13.8.0",