Add kubectl v1.20.x supports and update kubectl 1.19.0 to 1.19.1 (!1590) · 合并请求 · kubesphere / ks-installer

Created by: RolandMa1986

Signed-off-by: Roland.Ma rolandma@yunify.com Add kubectl v1.20.x supports and update kubectl 1.19.0 to 1.19.1

Add kubectl v1.20.x supports and update kubectl 1.19.0 to 1.19.1