chore(deps-dev): bump postcss from 8.5.8 to 8.5.9 in /web

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.8 to 8.5.9.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.8...8.5.9)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

web/package-lock.json

@@ -40,7 +40,7 @@
     "@types/three": "^0.160.0",
     "@vitejs/plugin-react": "^4.2.0",
     "autoprefixer": "^10.4.16",
-    "postcss": "^8.4.32",
+    "postcss": "^8.5.9",
     "tailwindcss": "^3.4.0",
     "typescript": "^5.3.0",
     "vite": "^5.0.0"