Bump the ui-docs-dependencies group across 1 directory with 2 updates (#4780)

Bumps the ui-docs-dependencies group with 2 updates in the /ui/ui-docs directory: [mobx](https://github.com/mobxjs/mobx) and [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite).


Updates `mobx` from 6.12.3 to 6.12.4
- [Release notes](https://github.com/mobxjs/mobx/releases)
- [Commits](https://github.com/mobxjs/mobx/compare/mobx@6.12.3...mobx@6.12.4)

Updates `vite` from 5.2.13 to 5.3.1
- [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/v5.3.1/packages/vite)

---
updated-dependencies:
- dependency-name: mobx
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ui-docs-dependencies
- dependency-name: vite
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: ui-docs-dependencies
...

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