Bump postcss from 8.4.49 to 8.5.1 (#277)

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

package.json

@@ -10,7 +10,7 @@
     "babel-plugin-react-compiler": "19.0.0-beta-55955c9-20241229",
     "del-cli": "6.0.0",
     "next": "15.1.5",
-    "postcss": "8.4.49",
+    "postcss": "8.5.1",
     "postcss-custom-media": "11.0.5",
     "postcss-import": "16.1.0",
     "postcss-media-minmax": "5.0.0",