1. Proposed title of this feature request
Enable Workload identity federation support for OCP in GCP

2. What is the nature and description of the request?
Enable Workload identity federation support for OCP in GCP.
This has been done for Openshift dedicated on GCP:
https://docs.redhat.com/en/documentation/openshift_dedicated/4/html/openshift_dedicated_clusters_on_gcp/osd-creating-a-cluster-on-gcp-with-workload-identity-federation#workload-identity-federation-overview_osd-creating-a-cluster-on-gcp-with-workload-identity-federation

3. Why does the customer need this? (List the business requirements here)
Workload Identity Federation (WIF) is a Google Cloud Platform (GCP) Identity and Access Management (IAM) feature that provides third parties a secure method to access resources on a customer’s cloud account. WIF eliminates the need for service account keys, and is Google Cloud’s preferred method of credential authentication.

4. List any affected packages or components.
Installer
Authentication