Bump @sveltejs/kit from 2.53.4 to 2.60.1 in /webapp/frontend

Bumps [@sveltejs/kit](https://github.com/sveltejs/kit/tree/HEAD/packages/kit) from 2.53.4 to 2.60.1.
- [Release notes](https://github.com/sveltejs/kit/releases)
- [Changelog](https://github.com/sveltejs/kit/blob/main/packages/kit/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/kit/commits/@sveltejs/kit@2.60.1/packages/kit)

---
updated-dependencies:
- dependency-name: "@sveltejs/kit"
  dependency-version: 2.60.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

webapp/frontend/package-lock.json

@@ -36,7 +36,7 @@
 		"@lezer/lr": "^1.4.8",
 		"@lucide/svelte": "^0.577.0",
 		"@sveltejs/adapter-static": "^3.0.10",
-		"@sveltejs/kit": "^2.49.1",
+		"@sveltejs/kit": "^2.60.1",
 		"@sveltejs/vite-plugin-svelte": "^6.2.1",
 		"@tailwindcss/vite": "^4.1.17",
 		"@types/node": "~22.19.13",