correcting the auth version in mustache file

Author: gaubansa

generator/cybersource-csharp-template/Project.mustache

@@ -106,7 +106,7 @@
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Xml" />
     <Reference Include="AuthenticationSdk">
-      <HintPath>packages\CyberSource.Authentication.0.0.0.21\lib\AuthenticationSdk.dll</HintPath>
+      <HintPath>packages\CyberSource.Authentication.0.0.0.23\lib\AuthenticationSdk.dll</HintPath>
     </Reference>
     {{#generatePropertyChanged}}
     <Reference Include="PropertyChanged">