Bump svelte from 5.41.0 to 5.43.5 in /client

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 5.41.0 to 5.43.5.
- [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/[email protected]/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-version: 5.43.5
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

client/package-lock.json

@@ -15,7 +15,7 @@
     "@astrojs/svelte": "^7.2.1",
     "@tailwindcss/vite": "^4.1.16",
     "astro": "^5.12.3",
-    "svelte": "^5.41.0",
+    "svelte": "^5.43.5",
     "typescript": "^5.9.3"
   },
   "devDependencies": {