Bump vite from 5.4.19 to 5.4.21 in /web

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:development
...

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

Author: dependabot[bot]

web/package.json

@@ -36,6 +36,6 @@
     "postcss": "^8.4.34",
     "tailwindcss": "^4.1.12",
     "typescript": "^5.9.2",
-    "vite": "^5.2.0"
+    "vite": "^5.4.21"
   }
 }