[SPIKE] Added rails version to symphony nightly template

CHANGELOG.md

@@ -6,6 +6,9 @@ and releases in Discovery project adheres to [Semantic Versioning](http://semver
 
 ## [Unreleased]
 
+### Fixed
+- Added rails version to symphony nightly template []()
+
 ## [3.5.7] - 2021-01-15
 
 ### Fixed

lib/generators/symphony_nightly/templates/update_symphony_nightly.erb

@@ -1,4 +1,4 @@
-class UpdateSymphonyNightly<%= Time.now.strftime('%Y%m%d') %> < ActiveRecord::Migration
+class UpdateSymphonyNightly<%= Time.now.strftime('%Y%m%d') %> < ActiveRecord::Migration[4.2]
   # order matters for libraries and locations because of the foreign key
   SYMPHONY_TABLES = ['statuses',
                      'item_types',