Bump postcss from 8.4.43 to 8.4.47 in /ui (#949)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.43 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@8.4.43...8.4.47)

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

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

Author: dependabot[bot]

ui/package.json

@@ -55,7 +55,7 @@
     "@vitejs/plugin-react-swc": "^3.7.0",
     "autoprefixer": "^10.4.20",
     "jsdom": "^25.0.0",
-    "postcss": "^8.4.43",
+    "postcss": "^8.4.47",
     "sass": "^1.78.0",
     "tailwindcss": "^3.4.10",
     "typescript": "^5.5.4",