InviteUpdate
The body that changes an invite. Send only the fields to change. `onboarding_id` is set only by `POST /invites`, so sending it here is 422 `prohibited`.
emailstring (email)- The invitee's new email. At most 53 characters. An email another user or open invite holds returns 422 `unique`. It also rewrites the linked user's sign-in username.
titlestring | null- The invitee's title, such as Mr, Ms or Dr.
first_namestring- The invitee's first name.
last_namestring- The invitee's last name.
sso_idstring | null- The invitee's single sign-on id, or null to clear it. One another user or invite holds returns 422 `unique`.