chore(deps-dev): bump svelte from 3.48.0 to 3.49.0 in /docs (#1401)

Bumps [svelte](https://github.com/sveltejs/svelte) from 3.48.0 to 3.49.0.
- [Release notes](https://github.com/sveltejs/svelte/releases)
- [Changelog](https://github.com/sveltejs/svelte/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/svelte/compare/v3.48.0...v3.49.0)

---
updated-dependencies:
- dependency-name: svelte
  dependency-type: direct:development
...

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docs/package.json

@@ -22,7 +22,7 @@
     "prism-svelte": "^0.4.7",
     "prismjs": "^1.28.0",
     "remark-slug": "^6.0.0",
-    "svelte": "^3.48.0",
+    "svelte": "^3.49.0",
     "vite": "^2.9.12"
   },
   "routify": {