Bump postcss from 8.4.27 to 8.4.31

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](postcss/postcss@8.4.27...8.4.31)

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

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

package.json

@@ -21,7 +21,7 @@
     "devDependencies": {
         "autoprefixer": "^10.4.14",
         "laravel-vite-plugin": "^0.7.8",
-        "postcss": "^8.4.26",
+        "postcss": "^8.4.31",
         "postcss-import": "^15.1.0",
         "prettier": "^3.0.0",
         "prettier-plugin-tailwindcss": "^0.4.0",