warning: apt-key should not be used in scripts

[Patrick]

apt-key Deprecation / Apt 2.2 changes

Interesting changes: apt-key and trusted.gpg are slated for deprecation. Users should move on to trusted.gpg.d instead. Our guides need to be updated to reflect that. @torjunkie please feel free to look at it when you have time. There’s discussion about moving from GPG entirely for apt… New features Various patterns related to dependencies, such as ?depends are now available (2.1.16) The Protected field is now supported. It replaces the previous Important field and is like Essential, …