RBAC and security auditing question

If an example_user is in a Git Group already. User is later promoted from a developer to a maintainer in that existing group. Is there some log entry (or last timestamp) on when the promotion occurred and who did the promotion?

  • Previous role -> * New role (date/time) by admin_X

The git group shows when user first joined, but not when role changed.

Any useful pointers from GitLab UI? Logs? or API?

Was looking around.

I’m currently on a self-hosting GitLab CE 12.10.6.

thanks in advance.