doc: clarify who may land on an LTS staging branch
Current language is a bit confusing
Refs: https://github.com/nodejs/node/pull/24344#issuecomment-439658596
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Current language is a bit confusing
Refs: https://github.com/nodejs/node/pull/24344#issuecomment-439658596