Fix update-kube-vendor.sh script
Fix update-kube-vendor.sh script

The previous shortcut in updating staging repos breaks when the local
repo contains tags that are not present in openshift/kubernetes.

mfojtik/origin,mahak/origin,tnozicka/origin,spadgett/origin,coreydaley/origin,gabemontero/origin,csrwng/origin,xiuwang/origin,csrwng/origin,mahak/origin,nak3/origin,tnozicka/origin,jsafrane/origin,spadgett/origin,jeremyeder/origin,coreydaley/origin,spadgett/origin,tnozicka/origin,JacobTanenbaum/origin,mfojtik/origin,JacobTanenbaum/origin,coreydaley/origin,nak3/origin,jsafrane/origin,tnozicka/origin,tnozicka/origin,jeremyeder/origin,deads2k/origin,jeremyeder/origin,jeremyeder/origin,mahak/origin,hroyrh/origin,bparees/origin,dinhxuanvu/origin,csrwng/origin,gabemontero/origin,dinhxuanvu/origin,openshift/origin,openshift/origin,sallyom/origin,bparees/origin,sallyom/origin,tnozicka/origin,xiuwang/origin,jeremyeder/origin,akram/origin,dinhxuanvu/origin,soltysh/origin,dinhxuanvu/origin,openshift/origin,deads2k/origin,bparees/origin,mfojtik/origin,nak3/origin,jsafrane/origin,soltysh/origin,soltysh/origin,akram/origin,akram/origin,xiuwang/origin,hroyrh/origin,sallyom/origin,spadgett/origin,spadgett/origin,dinhxuanvu/origin,gabemontero/origin,deads2k/origin,JacobTanenbaum/origin,hroyrh/origin