feat: Facebook delivery reports (#8136)

app/jobs/webhooks/facebook_delivery_job.rb

@@ -0,0 +1,8 @@
+class Webhooks::FacebookDeliveryJob < ApplicationJob
+  queue_as :low
+
+  def perform(message)
+    response = ::Integrations::Facebook::MessageParser.new(message)
+    Integrations::Facebook::DeliveryStatus.new(params: response).perform
+  end
+end