Resolve "Require 2FA for Group missing from API"

What does this MR do?

Resolve "Require 2FA for Group missing from API"

Are there points in the code the reviewer needs to double check?

Should the fact that the group requires 2FA be exposed by the API for all users or just certain roles within the group

Why was this MR needed?

Please see #39322 (moved)

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• API support added
• Tests added for this feature/bug
• Review
  • Has been reviewed by UX
  • Has been reviewed by Frontend
  • Has been reviewed by Backend
  • Has been reviewed by Database
• Conform by the merge request performance guides
• Conform by the style guides
• Squashed related commits together
• Internationalization required/considered

What are the relevant issue numbers?

Closes #39322 (moved)

EE MR: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/4190