build(deps-dev): bump postcss from 8.4.38 to 8.4.40

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.38 to 8.4.40.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.38...8.4.40)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -38,7 +38,7 @@
     "eslint": "^8.57.0",
     "eslint-plugin-react": "^7.34.2",
     "http-status-codes": "^2.3.0",
-    "postcss": "^8.4.38",
+    "postcss": "^8.4.40",
     "prettier-plugin-organize-imports": "^3.2.4",
     "tailwindcss": "^3.4.4",
     "typescript": "^5"