build(deps-dev): bump svelte from 3.59.2 to 4.2.19

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 3.59.2 to 4.2.19.
- [Release notes](https://github.com/sveltejs/svelte/releases)
- [Changelog](https://github.com/sveltejs/svelte/blob/svelte@4.2.19/packages/svelte/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/svelte/commits/svelte@4.2.19/packages/svelte)

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

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

Author: dependabot[bot]

package.json

@@ -90,7 +90,7 @@
     "react-dom": "^19.0.0",
     "rollup": "^3.29.5",
     "rollup-plugin-typescript2": "^0.34.1",
-    "svelte": "^3.59.2",
+    "svelte": "^4.2.19",
     "tsd": "^0.19.1",
     "typescript": "^5.8.2",
     "uglify-js": "^3.19.3",