use webhook urls instead of encrypted configs

app/controllers/api/templates_controller.rb

@@ -65,7 +65,10 @@ module Api
 
       @template.update!(template_params)
 
-      SendTemplateUpdatedWebhookRequestJob.perform_async('template_id' => @template.id)
+      @template.account.webhook_urls.with_event('template.updated').each do |webhook_url|
+        SendTemplateUpdatedWebhookRequestJob.perform_async({ 'template_id' => @template.id,
+                                                             'webhook_url_id' => webhook_url.id })
+      end
 
       render json: @template.as_json(only: %i[id updated_at])
     end