Update dependencies in CSharp sample (#10133)

Author: jviau

sample/CSharp/HttpTrigger-Compat/function.proj

@@ -3,6 +3,7 @@
     <TargetFramework>netstandard2.0</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.WebApiCompatShim " Version="2.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.WebApiCompatShim" Version="2.2.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 </Project>