chore(deps): bump vite from 5.4.19 to 5.4.21 in /apps/dropbox (#10194)

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 5.4.19 to 5.4.21.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v5.4.21/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v5.4.21/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 5.4.21
  dependency-type: direct:production
...

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Author: dependabot[bot]

apps/dropbox/package-lock.json

@@ -10,7 +10,7 @@
     "@contentful/dam-app-base": "2.3.2",
     "react": "17.0.0",
     "react-dom": "17.0.0",
-    "vite": "5.4.19"
+    "vite": "5.4.21"
   },
   "scripts": {
     "start": "vite",