Merge pull request #9275 from kubernetes-sigs/sbueringer-patch-1

 🌱 Update ensure-kubectl.sh to 1.28

Author: k8s-ci-robot

hack/ensure-kubectl.sh

@@ -27,7 +27,7 @@ fi
 source "$(dirname "${BASH_SOURCE[0]}")/utils.sh"
 
 GOPATH_BIN="$(go env GOPATH)/bin/"
-MINIMUM_KUBECTL_VERSION=v1.19.0
+MINIMUM_KUBECTL_VERSION=v1.28.0
 goarch="$(go env GOARCH)"
 goos="$(go env GOOS)"
 
@@ -51,7 +51,7 @@ verify_kubectl_version() {
   fi
 
   local kubectl_version
-  IFS=" " read -ra kubectl_version <<< "$(kubectl version --client --short)"
+  IFS=" " read -ra kubectl_version <<< "$(kubectl version --client)"
   if [[ "${MINIMUM_KUBECTL_VERSION}" != $(echo -e "${MINIMUM_KUBECTL_VERSION}\n${kubectl_version[2]}" | sort -s -t. -k 1,1 -k 2,2n -k 3,3n | head -n1) ]]; then
     cat <<EOF
 Detected kubectl version: ${kubectl_version[2]}.