docs(cli): add parser migration guardrails#2860

sjinks wants to merge 1 commit into

trunkAutomattic/vip-cli:trunkfrom

pltfrm-2357-add-migration-guardrail-checklist-item-defaultparserAutomattic/vip-cli:pltfrm-2357-add-migration-guardrail-checklist-item-defaultparserCopy head branch name to clipboard