update_view.erb in scenic-1.4.0

- old
+ new

@@ -1,5 +1,5 @@
-class <%= migration_class_name %> < ActiveRecord::Migration
+class <%= migration_class_name %> < <%= activerecord_migration_class %>
   def change
   <%- if materialized? -%>
     update_view <%= formatted_plural_name %>,
       version: <%= version %>,
       revert_to_version: <%= previous_version %>,