Set alias for Update-MgUser to Set-MgUser

Author: Microsoft Graph DevX Tooling

src/readme.graph.md

@@ -864,5 +864,12 @@ directive:
       subject: ^(Team|GroupTeam)All(ChannelCount)$
     set:
       alias: ${verb}-Mg${subject-prefix}${subject}
+# Setting the alias below as per the request on issue [#2560](https://github.com/microsoftgraph/msgraph-sdk-powershell/issues/2560)
+
+  - where:
+      verb: Update
+      subject: ^User$
+    set:
+      alias: Set-Mg${subject-prefix}${subject}
 
 ```