Change the 4.6 promotion job to use gcp instead of azure.

[deads2k]

Azure has severe quota problems. We have engaged support, but have not seen resolution.
Switching to GCP allows promotion now and once Azure has stable infra we will switch back.

[deads2k]

opened https://bugzilla.redhat.com/show_bug.cgi?id=1873293 for the revert.

[smarterclayton]

/lgtm

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: deads2k, smarterclayton

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• core-services/release-controller/OWNERS [smarterclayton]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-ci-robot]

@deads2k: Updated the releases configmap in namespace ocp at cluster api.ci using the following files:

• key release-ocp-4.6-ci.json using file core-services/release-controller/_releases/release-ocp-4.6-ci.json

In response to this:

Azure has severe quota problems. We have engaged support, but have not seen resolution.
Switching to GCP allows promotion now and once Azure has stable infra we will switch back.

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 kubernetes/test-infra repository.