Bump postcss from 8.5.1 to 8.5.2 (#1602)

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.1 to 8.5.2.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.1...8.5.2)

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

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

package.json

@@ -70,7 +70,7 @@
     "eslint-config-next": "15.1.7",
     "eslint-config-prettier": "^10.0.1",
     "eslint-plugin-react": "^7.37.4",
-    "postcss": "^8.5.1",
+    "postcss": "^8.5.2",
     "prettier": "^3.5.1",
     "prettier-plugin-tailwindcss": "^0.6.11",
     "tailwindcss": "^4.0.6",