make sure we dont pack a versioned virtual connection

Author: Mpdreamz

build/scripts/Releasing.fs

@@ -145,6 +145,7 @@ module Release =
 
     let private nugetPackVersioned (p:DotNetProject) nugetId nuspec properties version =
         match p with
+        | Project ElasticsearchNetVirtual 
         | Project NestUpgradeAssistant ->
             printfn "Skipping %s from building a versioned nightly" p.Name
             ignore()