chore(deps-dev): bump svelte from 4.2.19 to 5.25.9

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 4.2.19 to 5.25.9.
- [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/[email protected]/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-version: 5.25.9
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: package.json

@@ -34,7 +34,7 @@
     "remark-rehype": "^11.1.0",
     "rollup-plugin-flatten-dir": "^1.0.1",
     "shiki": "^3.0.0",
-    "svelte": "^4.2.18",
+    "svelte": "^5.25.9",
     "svelte-check": "^4.0.9",
     "svelte-sonner": "^0.3.27",
     "tslib": "^2.6.3",