Add livenessProbe and readinessProbe for operator deployments

[ChenYi015]

What you would like to be added?

Add readniessProbe and livenessProbe for operator deployments.

Why is this needed?

Make sure operator pod can be restarted if it does not work, and not to receive traffic when it is unready.

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Give it a 👍 We prioritize the features with most 👍

[FAUST-BENCHOU]

/assign
If this issue is still being considered by the community, I'd be happy to give it a try.