Fix deletion of unconfirmed users with Webauthn set (#33186)

app/workers/scheduler/user_cleanup_scheduler.rb

@@ -16,6 +16,7 @@ class Scheduler::UserCleanupScheduler
     User.where('confirmed_at is NULL AND confirmation_sent_at <= ?', 2.days.ago).reorder(nil).find_in_batches do |batch|
       # We have to do it separately because of missing database constraints
       AccountModerationNote.where(target_account_id: batch.map(&:account_id)).delete_all
+      WebauthnCredential.where(user_id: batch.map(&:id)).delete_all
       Account.where(id: batch.map(&:account_id)).delete_all
       User.where(id: batch.map(&:id)).delete_all
     end