Motivation
Patrollers value seeing the most recent activity timestamp from a user. It has come up a few times in the feedback:
- https://www.mediawiki.org/wiki/Talk:Product_Safety_and_Integrity/Anti-abuse_signals/User_Info#Please,_add_%22date_of_last_edit%22_to_display
- https://www.mediawiki.org/wiki/Talk:Product_Safety_and_Integrity/Anti-abuse_signals/User_Info#Maybe_add_%22Most_recent_edit%22
Acceptance criteria
- Update the UserInfo card to include a last edit timestamp
