bin/debsources-foreach: bump copyright year
bin/debsources-foreach: bump copyright year

zacchiro/debsources,clemux/debsources,oorestisime/debsources,oorestisime/debsources,devoxel/debsources,Debian/debsources,vivekanand1101/debsources,clemux/debsources,devoxel/debsources,devoxel/debsources,clemux/debsources,sophiejjj/debsources,clemux/debsources,Debian/debsources,zacchiro/debsources,vivekanand1101/debsources,sophiejjj/debsources,matthieucan/debsources,nonas/debian-qa,matthieucan/debsources,oorestisime/debsources,nonas/debian-qa,vivekanand1101/debsources,Debian/debsources,Debian/debsources,matthieucan/debsources,zacchiro/debsources,devoxel/debsources,oorestisime/debsources,sophiejjj/debsources,matthieucan/debsources,vivekanand1101/debsources,zacchiro/debsources,matthieucan/debsources,oorestisime/debsources,Debian/debsources,nonas/debian-qa,vivekanand1101/debsources,sophiejjj/debsources,zacchiro/debsources,clemux/debsources,devoxel/debsources,sophiejjj/debsources,nonas/debian-qa