chore(deps-dev): bump @sveltejs/kit and @sveltejs/adapter-vercel

Bumps [@sveltejs/kit](https://github.com/sveltejs/kit/tree/HEAD/packages/kit) and [@sveltejs/adapter-vercel](https://github.com/sveltejs/kit/tree/HEAD/packages/adapter-vercel). These dependencies needed to be updated together.

Updates `@sveltejs/kit` from 1.27.2 to 2.8.3
- [Release notes](https://github.com/sveltejs/kit/releases)
- [Changelog](https://github.com/sveltejs/kit/blob/main/packages/kit/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/kit/commits/@sveltejs/kit@2.8.3/packages/kit)

Updates `@sveltejs/adapter-vercel` from 3.0.3 to 5.4.8
- [Release notes](https://github.com/sveltejs/kit/releases)
- [Changelog](https://github.com/sveltejs/kit/blob/main/packages/adapter-vercel/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/kit/commits/@sveltejs/adapter-vercel@5.4.8/packages/adapter-vercel)

---
updated-dependencies:
- dependency-name: "@sveltejs/kit"
  dependency-type: direct:development
- dependency-name: "@sveltejs/adapter-vercel"
  dependency-type: direct:development
...

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