Suppress client-go warnings.

[naemono]

Resolves #8797

This adds the option to suppress the client-go warnings we are seeing such as:

"message":"unknown field \"spec.transport.service.metadata.creationTimestamp\""

Questions

1. Do we want to do this "globally"? I didn't initially see a way to target these specific warnings. (Probably directed towards @pebrc from his comments in 8797)
2. Do we want to add an option to the operator flags to control this behavior?

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[barkbay]

Was it not supposed to be fixed by kubernetes/kubernetes#130989?

If not, I’d prefer not to suppress all warnings, can we be more selective?

[barkbay]

I didn't initially see a way to target these specific warnings.

This is an interface so I guess we can provide our own implementation as in kubernetes-sigs/controller-tools#1168 (comment), but let's may be check if this is still a problem?

[naemono]

Testing on more recent builds, I'm not seeing this error any longer. Closing this.