Merge branch 'fix/ce-14503-master' into 'master'

Ensure Projects::ApproversController inherits from Projects::ApplicationController

Backport of !296.

See merge request !303

app/controllers/projects/approvers_controller.rb

-class Projects::ApproversController < ApplicationController
+class Projects::ApproversController < Projects::ApplicationController
   def destroy
     if params[:merge_request_id]
       authorize_create_merge_request!