Bump svelte

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


Updates `svelte` from 5.53.2 to 5.53.6
- [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@5.53.6/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-version: 5.53.6
  dependency-type: direct:development
  dependency-group: npm_and_yarn
...

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

web/frontend/package.json

@@ -15,7 +15,7 @@
     "rollup": "^4.55.1",
     "rollup-plugin-css-only": "^4.5.5",
     "rollup-plugin-svelte": "^7.2.3",
-    "svelte": "^5.46.4"
+    "svelte": "^5.53.6"
   },
   "dependencies": {
     "@rollup/plugin-replace": "^6.0.3",