chore(deps-dev): bump postcss from 8.4.28 to 8.4.31

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.28 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@8.4.28...8.4.31)

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

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

package.json

@@ -58,7 +58,7 @@
     "babel-plugin-jsx-remove-data-test-id": "^3.0.0",
     "cypress": "^12.17.4",
     "node-forge": "^1.3.1",
-    "postcss": "^8.4.28",
+    "postcss": "^8.4.31",
     "tailwindcss": "^3.3.3"
   },
   "engines": {