Make ci-kubernetes-e2e-gci-gce use k8s-release-dev artifacts

[spiffxp]

This uses the --extract-ci-bucket flag introduced in #19620

Followup to #19632

ref: kubernetes/k8s.io#846 (comment)
ref: #19484 (comment)

[hasheddan]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hasheddan, spiffxp

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:

• config/jobs/kubernetes/sig-cloud-provider/OWNERS [spiffxp]

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

[k8s-ci-robot]

@spiffxp: Updated the job-config configmap in namespace default at cluster test-infra-trusted using the following files:

• key gcp-gce.yaml using file config/jobs/kubernetes/sig-cloud-provider/gcp/gcp-gce.yaml

In response to this:

This uses the --extract-ci-bucket flag introduced in #19620

Followup to #19632

ref: kubernetes/k8s.io#846 (comment)
ref: #19484 (comment)

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.

[spiffxp]

The job has stayed green since this PR merged and I confirmed by looking at the build log for the most recent run that it's downloading from the new bucket instead of the old (https://prow.k8s.io/view/gcs/kubernetes-jenkins/logs/ci-kubernetes-e2e-gci-gce/1318913898769813504)