Updating to include #551

CHANGELOG.md

@@ -9,6 +9,7 @@ IMPROVEMENTS:
 * authentication: allow using multiple subscriptions for Azure CLI auth [GH-445]
 * core: appending the CloudShell version to the user agent when running within CloudShell [GH-483]
 * `azurerm_app_service` / `azurerm_app_service_plan` - adding validation for the `name` fields [GH-528]
+* `azurerm_container_registry` - Migration: Fixing a crash when the storage_account block is nil [GH-551]
 * `azurerm_lb_nat_rule`: support for floating IP's [GH-542]
 * `azurerm_public_ip` - Clarify the error message for the validation of domain name label [GH-485]
 * `azurerm_network_security_group` - fixing a crash when changes were made outside of Terraform [GH-492]