[debian] Add ${misc:Depends} to cube packaging skeleton. Closes #3161797 Best current practice is to have that in Depends in all packages using debhelper.

etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances