🐛 Enable cert-manager for ci workflow

[Shubhamag12]

This PR is a part of #4977, scenario 6.

Below Jobs were failing because of this since it was trying to look for cert-manager CRDs but they were not configured as it was disabled in CI job workflow:
https://github.com/Shubhamag12/kubebuilder-s6/actions (Run 1)

Adding it in CI workflow
Passed Jobs:
https://github.com/Shubhamag12/kubebuilder-s6/actions (Run 2)

[k8s-ci-robot]

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[camilamacedo86]

We cannot do that because it is ONLY required when we have webhooks

Users may need it for the metrics server (We need to check but as far I remember the default approach does not requires certmanager certs, then need to enable it)

So, for now, I think we need to change the Helm Plugin to:

• If it has webhooks OR if we have cert-mangaer uncommented in the config/kustomize, then we add it, uncommented
• If not, we add it commented

[Shubhamag12]

Okay, makes sense.
I will work on the suggested approach