fix cref again

Author: gewarren

xml/Microsoft.Extensions.Hosting/IHost.xml

@@ -53,7 +53,7 @@
       </ReturnValue>
       <Docs>
         <summary>
-            Gets the services configured for the program (for example, using <see cref="M:HostBuilder.ConfigureServices(Action{HostBuilderContext,IServiceCollection})" />).
+            Gets the services configured for the program (for example, using <see cref="M:Microsoft.Extensions.Hosting.HostBuilder.ConfigureServices(System.Action{Microsoft.Extensions.Hosting.HostBuilderContext,Microsoft.Extensions.DependencyInjection.IServiceCollection})" />).
             </summary>
         <value>To be added.</value>
         <remarks>To be added.</remarks>