add an app setting to see if a second deploy works

Co-Authored-By: Samuel Aquino <[email protected]>

operations/template/app.tf

@@ -92,6 +92,8 @@ resource "azurerm_linux_web_app" "sftp" {
     AZURE_KEY_VAULT_URI             = azurerm_key_vault.key_storage.vault_uri
     FLEXION_CLIENT_NAME             = "flexion.simulated-lab"
     QUEUE_MAX_DELIVERY_ATTEMPTS     = azurerm_eventgrid_system_topic_event_subscription.topic_sub.retry_policy.0.max_delivery_attempts # making the Azure container <-> queue retry count be in sync with the queue <-> application retry count..
+
+    AN_APP_SETTING_TO_TRIGGER_REBUILD = "hello world"
   }
 
   sticky_settings {