Bump @tootallnate/once and jest in /AdminUI/LearningHub.Nhs.AdminUI

Removes [@tootallnate/once](https://github.com/TooTallNate/once). It's no longer used after updating ancestor dependency [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest). These dependencies need to be updated together.


Removes `@tootallnate/once`

Updates `jest` from 27.5.1 to 30.4.2
- [Release notes](https://github.com/jestjs/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jestjs/jest/commits/v30.4.2/packages/jest)

---
updated-dependencies:
- dependency-name: "@tootallnate/once"
  dependency-version:
  dependency-type: indirect
- dependency-name: jest
  dependency-version: 30.4.2
  dependency-type: direct:development
...

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Author: dependabot[bot]