Update docs/contributors/releasing_minikube.md
Update docs/contributors/releasing_minikube.md

Co-Authored-By: tstromberg <f99ea597a8a5e9066afd8776cd5e9c5f70f29444@google.com>
dalehamel/minikube,warmchang/minikube,dlorenc/minikube,dalehamel/minikube,kubernetes/minikube,kubernetes/minikube,warmchang/minikube,dlorenc/minikube,kubernetes/minikube,warmchang/minikube,kubernetes/minikube,kubernetes/minikube,warmchang/minikube,dlorenc/minikube,warmchang/minikube,dlorenc/minikube,dlorenc/minikube,dlorenc/minikube,warmchang/minikube,kubernetes/minikube,dalehamel/minikube,kubernetes/minikube,warmchang/minikube,dlorenc/minikube,dlorenc/minikube