update toolchain image (#1071)
update toolchain image (#1071)

update pkg, utilities, commands to newer version, including:
- base image ubuntu:20.04
- kubectl 1.25.3
- ibmcloud
- node 18.6
- go v1.19.2

Signed-off-by: Yihong Wang <f520643bf8cff572a9eb593b2aa4ab3c892470e2@ibm.com>

Signed-off-by: Yihong Wang <f520643bf8cff572a9eb593b2aa4ab3c892470e2@ibm.com>
kubeflow/kfp-tekton,kubeflow/kfp-tekton,kubeflow/kfp-tekton,kubeflow/kfp-tekton,kubeflow/kfp-tekton,kubeflow/kfp-tekton