✨ Suppress finalizer name API warnings in CAPI, CABPK, and KCP controller logs

[dlipovetsky]

What this PR does / why we need it:
We received a request (#11065) to hide noisy "finalizer name" warnings in controller logs.

In #11129, we hide "finalizer name" warnings by default in the clusterctl move command. This PR extends the approach used there to the Cluster API controllers.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #11065

[dlipovetsky]

/area logging

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[dlipovetsky]

/cc @sbueringer

[sbueringer]

Thank you! Really appreciate all the work on this :)

When I have a bit more time again, I'll try to continue the discussion on the CR PR to try to get rid of the default memory leak. But we should be good now at least in CAPI

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: fde3838d9d050f1df29bd06ea27b062c3445855f

[k8s-ci-robot]

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