build(deps-dev): bump postcss in /react-tailwind-template (#1630)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.49 to 8.5.0.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.49...8.5.0)

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

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

react-tailwind-template/package.json

@@ -26,7 +26,7 @@
     "eslint": "^9.18.0",
     "eslint-plugin-react-hooks": "^5.1.0",
     "eslint-plugin-react-refresh": "^0.4.14",
-    "postcss": "^8.4.38",
+    "postcss": "^8.5.0",
     "tailwindcss": "^3.4.15",
     "typescript": "^5.7.3",
     "vite": "^6.0.1"