[Improvement] The example in the help information is incorrect.

[zjial]

Is your improvement request related to a problem? Please describe.

The example in the help information for the kbcli cluster rebuild-instance command is incorrect. It uses the wrong instancesoption.

Describe the solution you'd like

Use the instanceoption.

Additional context

kbcli version:

[shanshanying]

@wangyelei pls help refine the examples.