Bump postcss from 8.4.49 to 8.5.1

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.49 to 8.5.1.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.49...8.5.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -19,7 +19,7 @@
     "chromedriver": "^131.0.5",
     "eslint": "^8.57.1",
     "nightwatch": "^3.10.2",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.1",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.7.3",
     "vite": "^5.4.11",