Copyright for isc-dhcp source package in Mantic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: https://www.isc.org/downloads/dhcp

Files: *
Copyright:
 2004-2022 by Internet Systems Consortium, Inc. ("ISC")
 1995-2003 by Internet Software Consortium
License: MPL-2.0

Files: debian/*
Copyright:
 2008-2013 Andrew Pollock 
 2011-2018 Michael Gilbert 
 2022 Santiagi Ruano Rincón 
License: MPL-2.0

Files: debian/dhcp-lease-list.8
Copyright:
 2008 Christian Hammers 
License: GPL-2

License: MPL-2.0
 See /usr/share/common-licenses/MPL-2.0.

License: GPL-2
 See /usr/share/common-licenses/GPL-2.