Update iothub dependency in netcore csproj

Author: anusapan

src/ResourceManager/IotHub/Commands.IotHub/Commands.IotHub.Netcore.csproj

@@ -28,7 +28,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.Management.IotHub" Version="2.0.0" />
+    <PackageReference Include="Microsoft.Azure.Management.IotHub" Version="2.1.0" />
   </ItemGroup>
 
   <ItemGroup>