🏃 use kustomize v3.1.0 for testing

v3.1.0 matches the version we suggest in quick-start.md

Author: Mengqi Yu

scripts/install_and_setup.sh

@@ -17,7 +17,7 @@
 export GO111MODULE=on
 
 go get sigs.k8s.io/[email protected]
-go get sigs.k8s.io/kustomize/v3/cmd/kustomize@v3.0.1
+go get sigs.k8s.io/kustomize/v3/cmd/kustomize@v3.1.0
 
 # You can use --image flag to specify the cluster version you want, e.g --image=kindest/node:v1.13.6, the supported version are listed at https://hub.docker.com/r/kindest/node/tags
 kind create cluster --config test/kind-config.yaml --image=kindest/node:v1.14.1