skaffold build --platform=linux/arm64,linux/amd64 gives unauthorized error in certain cases

[aaron-prindle]

repro steps

gcloud container clusters get-credentials integration-tests-hybird --zone us-central1-a --project k8s-skaffold (a cluster that is in a different project/no-perms for --default-repo=)

skaffold build --platform=linux/arm64,linux/amd64 --default-repo=gcr.io/aprindle-test-cluster

GET https://gcr.io/v2/aprindle-test-cluster/skaffold-example/manifests/sha256:68360b979a3bca7baebd93147549b02f1814c6ba972b9be6a7e731b67df0c414: 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

full logs:
https://gist.github.com/aaron-prindle/6ebf1470bfc35423ad55006e53ea818b