security: reject symlinks in PR-supplied Firebase preview artifact#3654

wecbaiyk-blip wants to merge 1 commit intoangular:mainangular/dev-infra:mainfrom

wecbaiyk-blip:security/upload-artifacts-reject-symlinkswecbaiyk-blip/dev-infra:security/upload-artifacts-reject-symlinksCopy head branch name to clipboard