add submission.expired webhook

app/jobs/process_submission_expired_job.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class ProcessSubmissionExpiredJob
+  include Sidekiq::Job
+
+  def perform(params = {})
+    submission = Submission.find(params['submission_id'])
+
+    return if submission.archived_at?
+    return if submission.template.archived_at?
+    return if submission.submitters.where.not(declined_at: nil).exists?
+    return unless submission.submitters.exists?(completed_at: nil)
+
+    WebhookUrls.for_account_id(submission.account_id, %w[submission.expired]).each do |webhook|
+      SendSubmissionExpiredWebhookRequestJob.perform_async('submission_id' => submission.id,
+                                                           'webhook_url_id' => webhook.id)
+    end
+  end
+end