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
Keeping a function reference is only in scope when the call is
immediately executed, not when it enters its own event loop.
This commit also excises one more onUpdateUI call as it is not needed
Fixes https://gitlab.com/kicad/code/kicad/issues/12395
