Bump postcss from 8.4.27 to 8.4.31 (#599)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.27 to 8.4.31.
- [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/8.4.27...8.4.31)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:production
...

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apps/nextjs-app/package.json

@@ -18,7 +18,7 @@
     "eslint": "8.46.0",
     "eslint-config-next": "13.4.13",
     "next": "13.4.13",
-    "postcss": "8.4.27",
+    "postcss": "8.4.31",
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "tailwindcss": "3.3.3",