Update version for telemetry in version 6.9.0

Author: markcowl

src/Common/AzurePowerShell.cs

@@ -26,9 +26,9 @@ public class AzurePowerShell
 
         public const string AssemblyCopyright = "Copyright © Microsoft";
 
-        public const string AssemblyVersion = "6.6.0";
+        public const string AssemblyVersion = "6.9.0";
 
-        public const string AssemblyFileVersion = "6.6.0";
+        public const string AssemblyFileVersion = "6.9.0";
 
         public const string ProfileFile = "AzureProfile.json";