4.5.1
feat: trigger all the process using 'all' or trigger all processes in a particular namespace
fix: cron-restart in cluster mode + alias --cron to --cron-restart fix #4834 #4733 #4307 #4834
feat: send signal via env PM2_KILL_USE_MESSAGE or --shutdown-with-message
Merge pull request #4376 from Goodluckhf/wait-ready-fix