Rename CanLookup RSpec shared example group to follow existing pattern

spec/models/organization_spec.rb

@@ -1,5 +1,5 @@
 require 'rails_helper'
-require 'models/concerns/can_lookup'
+require 'models/concerns/can_lookup_examples'
 
 RSpec.describe Organization do
   include_examples 'CanLookup'

spec/models/ticket_spec.rb

@@ -1,5 +1,5 @@
 require 'rails_helper'
-require 'models/concerns/can_lookup'
+require 'models/concerns/can_lookup_examples'
 
 RSpec.describe Ticket do
   include_examples 'CanLookup'

spec/models/user_spec.rb

@@ -2,7 +2,7 @@ require 'rails_helper'
 require 'models/concerns/has_groups_examples'
 require 'models/concerns/has_roles_examples'
 require 'models/concerns/has_groups_permissions_examples'
-require 'models/concerns/can_lookup'
+require 'models/concerns/can_lookup_examples'
 
 RSpec.describe User do
   let(:group_access_instance) { create(:agent_user) }