build(deps-dev): bump svelte from 5.16.1 to 5.20.4

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 5.16.1 to 5.20.4.
- [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@5.20.4/packages/svelte)

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

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

apps/web/package.json

@@ -32,7 +32,7 @@
     "remark-footnotes": "2.0",
     "remark-math": "3",
     "schema-dts": "1.1.2",
-    "svelte": "5.16.1",
+    "svelte": "5.20.4",
     "svelte-check": "4.1.4",
     "svgo": "3.3.2",
     "tailwind-variants": "0.3.1",