build(deps-dev): bump postcss from 8.4.39 to 8.4.47

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.39 to 8.4.47.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.39...8.4.47)

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

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

package.json

@@ -21,7 +21,7 @@
     "autoprefixer": "^10.4.19",
     "nuxt": "^3.12.3",
     "nuxt-lucide-icons": "^1.0.5",
-    "postcss": "^8.4.39",
+    "postcss": "^8.4.47",
     "prettier": "3.3.2",
     "tailwindcss": "^3.4.6"
   }