Merge pull request #2613 from ViliusS/fix-windows-server-links

Fix broken Windows Server links in helper

.template-helpers/variant-windowsservercore.md

@@ -1,8 +1,7 @@
 ## `%%IMAGE%%:<version>-windowsservercore`
 
-This image is based on [Windows Server Core (`microsoft/windowsservercore`)](https://hub.docker.com/r/microsoft/windowsservercore/). As such, it only works in places which that image does, such as Windows 10 Professional/Enterprise (Anniversary Edition) or Windows Server 2016.
+This image is based on [Windows Server Core (`mcr.microsoft.com/windows/servercore`)](https://hub.docker.com/r/microsoft/windows-servercore). As such, it only works in places which that image does, such as Windows 10 Professional/Enterprise (Anniversary Edition) or Windows Server 2016.
 
 For information about how to get Docker running on Windows, please see the relevant "Quick Start" guide provided by Microsoft:
 
--	[Windows Server Quick Start](https://msdn.microsoft.com/en-us/virtualization/windowscontainers/quick_start/quick_start_windows_server)
--	[Windows 10 Quick Start](https://msdn.microsoft.com/en-us/virtualization/windowscontainers/quick_start/quick_start_windows_10)
+-	[Windows Containers Quick Start](https://learn.microsoft.com/en-us/virtualization/windowscontainers/quick-start/set-up-environment?tabs=dockerce)