Public Preview: Cross-tenant customer-managed keys for Azure NetApp Files volume encryption

Cross-tenant customer-managed keys for Azure NetApp Files volume encryption. This feature enables individual customers to manage their own keys across different tenancies. In scenarios such as SaaS provider/user configurations, it ensures that the end user retains full control of their keys, rather than the SaaS provider. This capability provides SaaS providers with the flexibility to offer customers customizable key management options. It is available in all Azure NetApp Files supported regions. This feature is currently in preview. Learn more: * [What's new in Azure NetApp Files](https://learn.microsoft.com/en-us/azure/azure-netapp-files/whats-new) * [Configure cross-tenant customer managed keys](https://learn.microsoft.com/en-us/azure/azure-netapp-files/customer-managed-keys-cross-tenant)