upgrade NuGet feed to v3 (#2865)
upgrade NuGet feed to v3 (#2865)


amichel/akka.net,heynickc/akka.net,simonlaroche/akka.net,simonlaroche/akka.net,Silv3rcircl3/akka.net,heynickc/akka.net,amichel/akka.net,ali-ince/akka.net,Silv3rcircl3/akka.net,ali-ince/akka.net