Updating IoT Hub Client and Service SDK versions. (#358)

Author: peterfelts

Services/Services.csproj

@@ -19,8 +19,8 @@
     <ItemGroup>
         <PackageReference Include="Google.Protobuf" Version="3.5.1" />
         <PackageReference Include="jint" Version="2.10.4" />
-        <PackageReference Include="Microsoft.Azure.Devices" Version="1.17.1" />
-        <PackageReference Include="Microsoft.Azure.Devices.Client" Version="1.18.1" />
+        <PackageReference Include="Microsoft.Azure.Devices" Version="1.18.1" />
+        <PackageReference Include="Microsoft.Azure.Devices.Client" Version="1.20.3" />
         <PackageReference Include="Microsoft.Azure.DocumentDB.Core" Version="2.1.3" />
         <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="2.1.1" />
         <PackageReference Include="Microsoft.Extensions.Configuration.Ini" Version="2.1.1" />