e2e tests failing with UNAUTHORIZED

[znewman01]

e.g. https://github.com/sigstore/cosign/actions/runs/4387945342/jobs/7702040174

In make ko-local:

Error: failed to publish images: error publishing ko://github.com/sigstore/cosign/v2/cmd/cosign: writing sbom: GET https://gcr.io/v2/token?scope=repository%3Aprojectsigstore%2Fcosign%3Apush%2Cpull&service=gcr.io: UNAUTHORIZED: You don't have the needed permissions to perform this operation, and you may have invalid credentials. To authenticate your request, follow the steps in: https://cloud.google.com/container-registry/docs/advanced-authentication
make: *** [Makefile:151: ko-local] Error 1
Error: Process completed with exit code 2.

[znewman01]

This appears to be blocking PR submissions.

[cpanato]

let me look at it