Add logic for keeping follow_request_count up-to-date on the `follow`,

`approve_friend_request`, and `deny_friend_request` actions.
Add follow_request_count to the user view.
3 jobs from follow-request-count in 5 minutes and 11 seconds (queued for 1 second)
Status Job ID Name Coverage
  Lint
passed #16636
lint

00:02:48

 
  Test
passed #16644
unit-testing

00:02:23

failed #16637
unit-testing

00:02:44