hack/pin-dependency.sh k8s.io/kube-openapi 172d655c2280350c77cf05962948fc67ff043492 hack/update-vendor.sh
* upgrade k8s.io/kube-openapi * fix open-api v3 blank aggregator output * use keys as API group in ./hack/update-openapi-spec.sh * fix import grouping * update openapiv3 integration tests