build(deps-dev): bump postcss from 8.4.16 to 8.4.31 (#92)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.16 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@8.4.16...8.4.31)

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

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

package.json

@@ -244,7 +244,7 @@
     "jest-environment-jsdom": "^28.1.3",
     "lint-staged": "^13.0.3",
     "notion-types": "^3.1.1",
-    "postcss": "^8.4.14",
+    "postcss": "^8.4.31",
     "prettier": "^2.7.1",
     "prettier-plugin-tailwindcss": "^0.1.13",
     "semantic-release": "^19.0.3",