add cert-manager annotation to pod-identity-webhook mutatingwebhookco…

[stefanSpectro]

What type of PR is this?
/kind bug

What this PR does / why we need it:

We need this PR so that when certs are changed cert-manager knows to update the ca information stored for pod-identity-webhook MutatingWebhookConfiguration. This is done by ensuring the correct cert-manager annotation is present on the resource so that it can pull updated cert information from the given Secret.

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 #
https://spectrocloud.atlassian.net/browse/PCP-2363

Special notes for your reviewer:

Checklist:

• squashed commits
• includes documentation
• adds unit tests
• adds or updates e2e tests

[spectro-prow]

@stefanSpectro: The label(s) kind/bug cannot be applied, because the repository doesn't have them

In response to this:

What type of PR is this?
/kind bug

What this PR does / why we need it:

We need this PR so that when certs are changed cert-manager knows to update the ca information stored for pod-identity-webhook MutatingWebhookConfiguration. This is done by ensuring the correct cert-manager annotation is present on the resource so that it can pull updated cert information from the given Secret.

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 #
https://spectrocloud.atlassian.net/browse/PCP-2363

Special notes for your reviewer:

Checklist:

• squashed commits
• includes documentation
• adds unit tests
• adds or updates e2e tests

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[spectro-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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