fix(data): remove orphaned targeted_user_links

lib/tasks/deployment/20221004112700_clean_orphaned_targeted_user_links.rake

@@ -0,0 +1,18 @@
+namespace :after_party do
+  desc 'Deployment task: clean_orphaned_targeted_user_links'
+  task clean_orphaned_targeted_user_links: :environment do
+    puts "Running deploy task 'clean_orphaned_targeted_user_links'"
+
+    progress = ProgressReport.new(TargetedUserLink.count)
+    TargetedUserLink.find_each do |tul|
+      if tul.target_model.nil?
+        tul.destroy
+      end
+      progress.inc
+    end
+    # Update task as completed.  If you remove the line below, the task will
+    # run with every deploy (or every time you call after_party:run).
+    AfterParty::TaskRecord
+      .create version: AfterParty::TaskRecorder.new(__FILE__).timestamp
+  end
+end