application_key -> external_id

db/migrate/20240131212010_rename_application_key_to_external_id.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+class RenameApplicationKeyToExternalId < ActiveRecord::Migration[7.1]
+  def change
+    rename_column :templates, :application_key, :external_id
+    rename_column :submitters, :application_key, :external_id
+  end
+end