CCO-571: Add GCP pod identity webhook

[jstuever]

This change adds the GCP Workload Identity Webhook when the cluster platform is GCP. The cloud-credential-operator ensures the deployment, pods, and mutating webhook exists.

[openshift-ci-robot]

@jstuever: This pull request references CCO-571 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.18.0" version, but no target version was set.

In response to this:

This change adds the GCP Workload Identity Webhook when the cluster platform is GCP. The cloud-credential-operator ensures the deployment, pods, and mutating webhook exists.

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

Attention: Patch coverage is 0% with 30 lines in your changes missing coverage. Please review.

Project coverage is 48.52%. Comparing base (d668c18) to head (e84e263).
Report is 12 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/assets/v410_00_assets/bindata.go	0.00%	18 Missing ⚠️
pkg/operator/podidentity/gcppodidentitywebhook.go	0.00%	10 Missing ⚠️
...rator/podidentity/podidentitywebhook_controller.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #758      +/-   ##
==========================================
+ Coverage   47.24%   48.52%   +1.28%     
==========================================
  Files          96       97       +1     
  Lines       11725    12273     +548     
==========================================
+ Hits         5539     5956     +417     
- Misses       5573     5689     +116     
- Partials      613      628      +15     

Files with missing lines	Coverage Δ
...rator/podidentity/podidentitywebhook_controller.go	27.27% <0.00%> (-0.32%)	⬇️
pkg/operator/podidentity/gcppodidentitywebhook.go	0.00% <0.00%> (ø)
pkg/assets/v410_00_assets/bindata.go	42.71% <0.00%> (-4.25%)	⬇️

... and 3 files with indirect coverage changes

[jstuever]

/hold for gcp webhook image to land in release payloads

[jstuever]

/hold cancel
/assign @dlom

[dlom]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dlom, jstuever

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[openshift-ci]

@jstuever: all tests passed!

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[openshift-bot]

[ART PR BUILD NOTIFIER]

Distgit: ose-cloud-credential-operator
This PR has been included in build ose-cloud-credential-operator-container-v4.18.0-202410220012.p0.g2a838af.assembly.stream.el9.
All builds following this will include this PR.