chore(deps-dev): bump the vite-vitest group across 1 directory with 3 updates

Bumps the vite-vitest group with 3 updates in the / directory: [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/tree/HEAD/packages/plugin-react), [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) and [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `@vitejs/plugin-react` from 5.2.0 to 6.0.2
- [Release notes](https://github.com/vitejs/vite-plugin-react/releases)
- [Changelog](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite-plugin-react/commits/plugin-react@6.0.2/packages/plugin-react)

Updates `vite` from 6.4.2 to 8.0.16
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/main/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v8.0.16/packages/vite)

Updates `vitest` from 3.2.4 to 4.1.8
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Changelog](https://github.com/vitest-dev/vitest/blob/main/docs/releases.md)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.1.8/packages/vitest)

---
updated-dependencies:
- dependency-name: "@vitejs/plugin-react"
  dependency-version: 6.0.2
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: vite-vitest
- dependency-name: vite
  dependency-version: 8.0.16
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: vite-vitest
- dependency-name: vitest
  dependency-version: 4.1.8
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: vite-vitest
...

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Author: dependabot[bot]