Updating to include #850

CHANGELOG.md

@@ -18,6 +18,7 @@ IMPROVEMENTS:
 * authentication: pulling the `Environment` key from the Azure CLI Config [GH-842]
 * core: upgrading to `v12.5.0-beta` of the Azure SDK for Go [GH-830]
 * compute: upgrading to use the `2017-12-01` API Version [GH-797]
+* `azurerm_app_service_plan`: support for attaching to an App Service Environment [GH-850]
 * `azurerm_container_group` - adding `restart_policy` [GH-827]
 * `azurerm_managed_disk` - updated the validation on `disk_size_gb` / made it computed [GH-800]
 * `azurerm_role_assignment` - add `role_definition_name` [GH-775]