style(rubocop): Style/FrozenStringLiteralComment

lib/tasks/auto_annotate_models.rake

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 # NOTE: only doing this in development as some production environments (Heroku)
 # NOTE: are sensitive to local FS writes, and besides -- it's just not proper
 # NOTE: to have a dev-mode tool do its thing in production.

lib/tasks/postal.rake

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 namespace :postal do
   desc "Start the cron worker"
   task cron: :environment do