Fix shipit.yml example indentation
Fix shipit.yml example indentation

perobertson/shipit-engine,Shopify/shipit-engine,perobertson/shipit-engine,Shopify/shipit-engine,perobertson/shipit-engine,perobertson/shipit-engine,Shopify/shipit-engine,perobertson/shipit-engine,Shopify/shipit-engine,Shopify/shipit-engine