Bump svelte from 4.2.19 to 5.1.9

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 4.2.19 to 5.1.9.
- [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@5.1.9/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>

package.json

@@ -47,7 +47,7 @@
     "release-plan": "^0.9.0",
     "replace": "^1.2.2",
     "shepherd.js": "workspace:*",
-    "svelte": "^4.2.19",
+    "svelte": "^5.1.9",
     "typescript": "^5.4.5"
   },
   "packageManager": "pnpm@9.9.0",