Bump postcss from 8.5.15 to 8.5.25

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.15 to 8.5.25.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.15...8.5.25)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.25
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package-lock.json

@@ -59,7 +59,7 @@
     "eslint-plugin-react-refresh": "0.4.26",
     "globals": "17.6.0",
     "jsdom": "29.1.1",
-    "postcss": "8.5.15",
+    "postcss": "8.5.25",
     "prettier": "3.8.3",
     "react": "19.2.6",
     "react-dom": "19.2.6",