Bump vite in /templates/react-solidity-remix/frontend

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] <[email protected]>

Author: dependabot[bot]

templates/react-solidity-remix/frontend/package-lock.json

@@ -31,6 +31,6 @@
     "tsx": "^4.20.3",
     "typescript": "~5.6.2",
     "typescript-eslint": "^8.12.2",
-    "vite": "^5.4.10"
+    "vite": "^5.4.21"
   }
 }