fix(pubsub): reuse GoogleAuth instance and deprecate credential options - #9721

fix(pubsub): reuse GoogleAuth instance and deprecate credential options#9721

quirogas wants to merge 1 commit into

fix/windy-eagle-auth-warningsgoogleapis/google-cloud-node:fix/windy-eagle-auth-warningsfrom

fix/windy-eagle-pubsub-auth-reusegoogleapis/google-cloud-node:fix/windy-eagle-pubsub-auth-reuseCopy head branch name to clipboard