Fix CODEOWNERS: Move user_action entries to correct location

.github/CODEOWNERS

@@ -1,3 +1,6 @@
+app/models/user_action.rb @department-of-veterans-affairs/octo-identity @department-of-veterans-affairs/backend-review-group
+app/models/user_action_event.rb @department-of-veterans-affairs/octo-identity @department-of-veterans-affairs/backend-review-group
+# Place your entry above this comment in alphabetical order.
 # These owners will be the default owners for everything in
 # the repo. Unless a later match takes precedence,
 #  @department-of-veterans-affairs/backend-review-group and @department-of-veterans-affairs/va-api-engineers will be requested for
@@ -2195,7 +2198,4 @@ spec/uploaders/uploader_virus_scan_spec.rb @department-of-veterans-affairs/va-ap
 spec/uploaders/validate_pdf_spec.rb @department-of-veterans-affairs/Disability-Experience @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 spec/uploaders/simple_forms_api/ @department-of-veterans-affairs/platform-va-product-forms @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 # Place your entry above this comment in alphabetical order.
-app/models/user_action.rb @department-of-veterans-affairs/backend-review-group
 
-app/models/user_action.rb @department-of-veterans-affairs/octo-identity @department-of-veterans-affairs/backend-review-group
-app/models/user_action_event.rb @department-of-veterans-affairs/octo-identity @department-of-veterans-affairs/backend-review-group