fix(canary-bot): specify the correct task target name (#3359)
fix(canary-bot): specify the correct task target name (#3359)

Otherwise it enqueues a task with a wrong target name
(canary_bot_cloud_run).
googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots