Recommendation is to avoid using the year nomenclature as this
information is already encoded in the git repo. Avoids needing to
repeatly update.
Also updates AUTHORS.txt from current repo with contributor names
This is the second piece of the layer pair preset quick
switcher that allows a action (i.e. hotkey) to cycle between
the enabled preset layer pairs.
Fixes: https://gitlab.com/kicad/code/kicad/-/issues/15227