v15.0.0

Breaking

• node >= 14.14 is now required (#1145)
  • Needed to upgrade update-notifier with has a moderate severity vulnerability
• yarn autodetect has been improved (#1148)
  • This is a patch, though technically it is breaking. In the obscure case where --packageManager is not given, there is no package-lock.json in the current folder, and there is a yarn.lock in an ancestor directory, npm-check-updates will now use yarn.
  • More practically, if you needed to specify --packageManager yarn explicitly before, you may not have to now