chore(deps-dev): Bump vite and @preact/preset-vite in /examples/preact (#160)

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) and [@preact/preset-vite](https://github.com/preactjs/preset-vite). These dependencies needed to be updated together.

Updates `vite` from 2.9.17 to 6.2.5
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v6.2.5/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v6.2.5/packages/vite)

Updates `@preact/preset-vite` from 2.1.0 to 2.10.1
- [Release notes](https://github.com/preactjs/preset-vite/releases)
- [Commits](preactjs/preset-vite@v2.1.0...2.10.1)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 6.2.5
  dependency-type: direct:development
- dependency-name: "@preact/preset-vite"
  dependency-version: 2.10.1
  dependency-type: direct:development
...

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