[release-4.22] OCPBUGS-85620: Fix webhook TLS failure after service-ca to self-managed cert migration

[openshift-cherrypick-robot]

This is an automated cherry-pick of #8504

/assign enxebre

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[openshift-ci-robot]

@openshift-cherrypick-robot: Jira Issue OCPBUGS-85580 has been cloned as Jira Issue OCPBUGS-85620. Will retitle bug to link to clone.
/retitle [release-4.22] OCPBUGS-85620: Fix webhook TLS failure after service-ca to self-managed cert migration

Details

In response to this:

This is an automated cherry-pick of #8504

/assign enxebre

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[openshift-ci-robot]

@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-85620, which is invalid:

• release note text must be set and not match the template OR release note type must be set to "Release Note Not Required". For more information you can reference the OpenShift Bug Process.

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

This is an automated cherry-pick of #8504

/assign enxebre

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[codecov]

Codecov Report

❌ Patch coverage is 48.27586% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 34.79%. Comparing base (cf680a5) to head (dc6553d).

Files with missing lines	Patch %	Lines
...ontrollers/webhookcerts/webhookcerts_controller.go	48.27%	10 Missing and 5 partials ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##           release-4.22    #8513   +/-   ##
=============================================
  Coverage         34.79%   34.79%           
=============================================
  Files               767      767           
  Lines             93445    93470   +25     
=============================================
+ Hits              32511    32521   +10     
- Misses            58255    58265   +10     
- Partials           2679     2684    +5     

Files with missing lines	Coverage Δ
...ontrollers/webhookcerts/webhookcerts_controller.go	63.11% <48.27%> (-2.89%)	⬇️

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