🌱 clusterctl upgrade cert-manager ignore provider CRDs

[fabriziopandini]

What this PR does / why we need it:
clusterctl upgrades reads a bunch of objects from the cluster while inspecting current installation of cert-manager.
This is getting kind of critical due to CAPA introducing global resources, that we can't filter out upfront, and in case for any reason CAPA webhooks are not working this makes the operation to fail.

With this PR we are making discovery of cert-manager objects smarter (and as a positive side effect also faster), by dropping all the CRDs that belong to a provider.
/cc @sbueringer @vincepri @ykakarap

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[sbueringer]

/retest

/lgtm
(I assume manually verified, that it solves the issue)

@fabriziopandini can you please add the error message we got before the fix in the PR description? (just for future reference)

[fabriziopandini]

/hold
I have a better fix in #5684

[fabriziopandini]

/hold

[fabriziopandini]

/close
given that #5684 is merged

[k8s-ci-robot]

@fabriziopandini: PR needs rebase.

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[k8s-ci-robot]

@fabriziopandini: Closed this PR.

In response to this:

/close
given that #5684 is merged

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