I followed your steps in the article you wrote and when I executed it on my Repo I got Error: Can't find 'action.yml', 'action.yaml' or 'Dockerfile' under '/home/runner/work/_actions/GoogleCloudPlatform/github-actions/master/setup-gcloud'. Did you forget to run actions/checkout before running your local action?
I followed your steps in the article you wrote and when I executed it on my Repo I got
Error: Can't find 'action.yml', 'action.yaml' or 'Dockerfile' under '/home/runner/work/_actions/GoogleCloudPlatform/github-actions/master/setup-gcloud'. Did you forget to run actions/checkout before running your local action?