Bump svelte from 4.2.19 to 5.2.7 in /app

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 4.2.19 to 5.2.7.
- [Release notes](https://github.com/sveltejs/svelte/releases)
- [Changelog](https://github.com/sveltejs/svelte/blob/main/packages/svelte/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/svelte/commits/svelte@5.2.7/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

app/package.json

@@ -12,7 +12,7 @@
 		"@sveltejs/adapter-node": "^5.2.9",
 		"@sveltejs/kit": "^2.7.4",
 		"@sveltejs/vite-plugin-svelte": "^4.0.0",
-		"svelte": "^4.2.19",
+		"svelte": "^5.2.7",
 		"vite": "^5.4.10"
 	},
 	"type": "module",