Fix README (Azure#27523)

Author: AriZavala2

sdk/communication/Azure.Communication.NetworkTraversal/README.md

@@ -10,7 +10,7 @@ Azure Communication Network Traversal enables high bandwidth, low latency connec
 Install the Azure Communication Network Traversal client library for .NET with [NuGet][nuget]:
 
 ```dotnetcli
-dotnet add package Azure.Communication.NetworkTraversal --version 1.0.0-beta.3
+dotnet add package Azure.Communication.NetworkTraversal --version 1.1.0-beta.1
 ```
 
 ### Prerequisites