Try fix nuget dependency for CI

Author: a.vorobiev

CDP4WebServer.IIS/packages.config

@@ -32,4 +32,5 @@
   <package id="System.Threading.Tasks.Extensions" version="4.5.3" targetFramework="net472" />
   <package id="System.ValueTuple" version="4.5.0" targetFramework="net472" />
   <package id="System.Xml.XmlSerializer" version="4.3.0" targetFramework="net472" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.1" targetFramework="net472" />
 </packages>