Bump svelte from 5.46.4 to 5.49.1 (#3345)

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 5.46.4 to 5.49.1.
- [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@5.49.1/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-version: 5.49.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

package.json

@@ -45,7 +45,7 @@
     "release-plan": "^0.17.2",
     "replace": "^1.2.2",
     "shepherd.js": "workspace:*",
-    "svelte": "^5.46.4",
+    "svelte": "^5.49.1",
     "typescript": "^5.9.3"
   },
   "packageManager": "pnpm@10.28.2",