Upgrade QingCloud CSI

    1. git checkout v1.2.0
    1. kubectl delete sc csi-qingcloud
      2. csi-qingcloud-controller-56979d46cb-qk9ck   5/5     Running            0          24h
      3. csi-qingcloud-node-4s8n5                    2/2     Running            0          24h
      4. csi-qingcloud-node-65dqn                    2/2     Running            0          24h
      5. csi-qingcloud-node-nz9q9                    2/2     Running            0          24h
      6. csi-qingcloud-node-pxr56                    2/2     Running            0          24h
      7. csi-qingcloud-node-whqhk                    2/2     Running            0          24h