Copyright for cysignals source package in Mantic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: cysignals
Upstream-Contact: The Sage Development Team 
Source: https://github.com/sagemath/cysignals
Files-Excluded:
 .gitignore
 .github
 .travis.yml
 .appveyor.yml

Files: *
Copyright:
 2016-2023 The Sage Development Team 
License: LGPL-3+

Files: debian/*
Copyright:
 2016-2023 Jerome Benoit 
License: GPL-3+

License: LGPL-3+
 This package is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 3 of the License, or (at your option) any later version.
 .
 This package is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program. If not, see .
 .
 On Debian systems, the complete text of the GNU Lesser General
 Public License can be found in `/usr/share/common-licenses/LGPL-3'.

License: GPL-3+
 This package is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.
 .
 This package is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 GNU General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this package. If not, see .
 .
 On Debian systems, the complete text of the GNU General Public License
 version 3 can be found in `/usr/share/common-licenses/GPL-3'.