feat: new background work process

This removes all previous dependencies on RabbitMQ and the need to run separate cron and requeueing processes.

.rubocop.yml

@@ -6,6 +6,7 @@ AllCops:
     - "db/schema.rb"
     # Fixes missing gem exception when running Rubocop on GitHub Actions.
     - "vendor/bundle/**/*"
+    - lib/tasks/auto_annotate_models.rake
 
 # Always use double quotes
 Style/StringLiterals: