Update releases.json to include v1.6.2
Update releases.json to include v1.6.2

warmchang/minikube,warmchang/minikube,dalehamel/minikube,dlorenc/minikube,kubernetes/minikube,kubernetes/minikube,dlorenc/minikube,kubernetes/minikube,warmchang/minikube,dlorenc/minikube,dlorenc/minikube,kubernetes/minikube,warmchang/minikube,kubernetes/minikube,dlorenc/minikube,warmchang/minikube,dalehamel/minikube,kubernetes/minikube,dlorenc/minikube,dlorenc/minikube,kubernetes/minikube,warmchang/minikube,warmchang/minikube,dlorenc/minikube,dalehamel/minikube