Bump postcss from 8.4.24 to 8.4.31 (#54)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.24 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@8.4.24...8.4.31)

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

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

package.json

@@ -18,7 +18,7 @@
         "eslint-plugin-vue": "^9.15.1",
         "laravel-vite-plugin": "^0.7.8",
         "lodash": "^4.17.19",
-        "postcss": "^8.4.6",
+        "postcss": "^8.4.31",
         "prettier": "^2.8.8",
         "prettier-plugin-tailwindcss": "^0.3.0",
         "sass": "^1.56.1",