Update 22-to-30.md (#18120)

Author: leotsarev

aspnetcore/migration/22-to-30.md

@@ -4,7 +4,7 @@ author: rick-anderson
 description: Learn how to migrate an ASP.NET Core 2.2 project to ASP.NET Core 3.0.
 ms.author: riande
 ms.custom: mvc
-ms.date: 01/21/2020
+ms.date: 05/03/2020
 no-loc: [SignalR]
 uid: migration/22-to-30
 ---
@@ -1219,4 +1219,4 @@ Review breaking changes:
 
 ## .NET Core 3.0 on Azure App Service
 
-For progress on the rollout of .NET Core to Azure App Service, see the official [.NET Core on App Service](https://aspnetcoreon.azurewebsites.net/) website. Until .NET Core 3.0 is available on Azure App Service, follow the instructions at [Deploy ASP.NET Core preview release to Azure App Service](xref:host-and-deploy/azure-apps/index#deploy-aspnet-core-preview-release-to-azure-app-service).
+The rollout of .NET Core to Azure App Service is finished. .NET Core 3.0 is available in all Azure App Service datacenters.