[githooks] Add pre-push hook to prevent pushing evaluation test commits - #12663

[githooks] Add pre-push hook to prevent pushing evaluation test commits#12663

reidbaker-agent wants to merge 6 commits into

flutter:mainflutter/packages:mainfrom

reidbaker:pre-push-eval-commit-hookreidbaker/packages:pre-push-eval-commit-hookCopy head branch name to clipboard