Ensure zone resiliency is turned on for all Azure Image

Zone resiliency can ensure that an Azure Image is available across availability zones. Not all regions support this feature, but for those that do, it provides a way to achieve reliability in critical services. For more information on regions and availability zones, see the Azure documentation.
References:
https://learn.microsoft.com/en-us/azure/availability-zones/az-overview

In Terraform -

1. In the azurerm_image resource, set zone_resilient to true.

References:
https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/image