npm: bump svelte from 5.1.9 to 5.39.7

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 5.1.9 to 5.39.7.
- [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@5.39.7/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-version: 5.39.7
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]