Updating mustache file with new version of dependency

Author: gnongsie

generator/cybersource-csharp-template/TestProject.mustache

@@ -59,7 +59,7 @@
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Xml" />
     <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.11.0.2\lib\{{targetFrameworkNuget}}\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.13.0.1\lib\{{targetFrameworkNuget}}\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="RestSharp">
         <HintPath>..\packages\RestSharp.106.12.0\lib\{{targetFrameworkNuget}}2\RestSharp.dll</HintPath>