fix wrong kinder shellcheck url   1. change to use stable version   2. change shellcheck url since old url is unavailable now
fix wrong kinder shellcheck url
  1. change to use stable version
  2. change shellcheck url since old url is unavailable now

Signed-off-by: Ma Xinjian <d1eaa362fbe20f4d1e94a590b52fa846afcd0e34@cn.fujitsu.com>

kubernetes/kubeadm,kubernetes/kubeadm