chore: update setup-node in github workflows#1610

gcf-owl-bot[bot] wants to merge 1 commit intomaingoogleapis/cloud-trace-nodejs:mainfrom

owl-bot-update-lock-da8a4a745d5eb96f07fa99a550afe49ac80dcd9b93a8d914e4f1f6f1cda653ffgoogleapis/cloud-trace-nodejs:owl-bot-update-lock-da8a4a745d5eb96f07fa99a550afe49ac80dcd9b93a8d914e4f1f6f1cda653ffCopy head branch name to clipboard