Bump vite from 5.4.20 to 5.4.21 in /frontend

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 5.4.20 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]

frontend/package-lock.json

@@ -43,7 +43,7 @@
 		"tailwindcss": "^3.3.6",
 		"tslib": "^2.4.1",
 		"typescript": "^5.0.0",
-		"vite": "^5.4.20",
+		"vite": "^5.4.21",
 		"vitest": "^1.6.1"
 	},
 	"type": "module",