Add rate limit for editing (#17728)

app/controllers/api/v1/statuses_controller.rb

@@ -10,6 +10,7 @@ class Api::V1::StatusesController < Api::BaseController
   before_action :set_thread, only:       [:create]
 
   override_rate_limit_headers :create, family: :statuses
+  override_rate_limit_headers :update, family: :statuses
 
   # This API was originally unlimited, pagination cannot be introduced without
   # breaking backwards-compatibility. Arbitrarily high number to cover most