chore(deps-dev): bump vite from 5.4.21 to 6.4.3 in /site (#8)

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 5.4.21 to 6.4.3.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v6.4.3/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v6.4.3/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 6.4.3
  dependency-type: direct:development
...

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Author: dependabot[bot]

site/package.json

@@ -59,7 +59,7 @@
     "tailwindcss": "^4.0.14",
     "typescript": "^5.6.0",
     "typescript-eslint": "^8.18.0",
-    "vite": "^5.4.10",
+    "vite": "^6.4.3",
     "vitest": "^3.2.6"
   },
   "packageManager": "pnpm@10.33.2"