chore(deps-dev): bump svelte

Bumps the npm_and_yarn group with 1 update in the /frontend directory: [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte).


Updates `svelte` from 5.55.5 to 5.56.0
- [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@5.56.0/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-version: 5.56.0
  dependency-type: direct:development
  dependency-group: npm_and_yarn
...

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

frontend/package.json

@@ -34,7 +34,7 @@
     "lucide-svelte": "^1.0.1",
     "prettier": "^3.7.4",
     "prettier-plugin-svelte": "^3.4.0",
-    "svelte": "^5.55.5",
+    "svelte": "^5.56.0",
     "svelte-eslint-parser": "^1.4.1",
     "tailwind-merge": "^3.6.0",
     "tailwindcss": "4.3.0",