chore(deps): bump postcss in /packages/ko-lint-config

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.14 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.14...8.4.31)

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

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

Author: dependabot[bot]

packages/ko-lint-config/package.json

@@ -48,7 +48,7 @@
     "eslint-plugin-react-hooks": "4.6.0",
     "eslint-plugin-simple-import-sort": "^10.0.0",
     "eslint-plugin-sort-requires": "2.1.0",
-    "postcss": "8.4.14",
+    "postcss": "8.4.31",
     "postcss-less": "6.0.0",
     "postcss-scss": "4.0.4",
     "prettier": "2.7.1",