chore(deps-dev): bump postcss from 8.5.6 to 8.5.23

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.6 to 8.5.23.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.5.6...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>

package.json

@@ -71,7 +71,7 @@
     "mockjs": "^1.1.0",
     "node": "^22.22.2",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.5.12",
+    "postcss": "^8.5.23",
     "postcss-html": "1.8.1",
     "postcss-scss": "^4.0.9",
     "prettier": "^3.8.3",