chore(deps-dev): bump postcss from 8.5.21 to 8.5.23

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.21 to 8.5.23.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.21...8.5.23)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.23
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package.json

@@ -86,7 +86,7 @@
     "happy-dom": "^20.10.6",
     "husky": "^9.1.7",
     "lint-staged": "^15.4.3",
-    "postcss": "^8.5.10",
+    "postcss": "^8.5.23",
     "prettier": "^3.5.3",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.8.2",