Refresh the automatically detected licensing information

Signed-off-by: Apertis CI robot <noreply+not_a_robot@apertis.org>

debian/apertis/copyright

+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+
+Files: *
+Copyright: 1997-1998 Christian Schwarz <schwarz@debian.org>
+            1998      Manoj Srivastava <srivasta@debian.org>
+            2001-2004 Ardo van Rangelrooij <ardo@debian.org>
+            2010      Michael Banck <mbanck@debian.org>
+            2012-2016 Helmut Grohne <helmut@subdivi.de>
+            2016-2020 Joao Eriberto Mota Filho <eriberto@debian.org>
+            2019      Boyuan Yang <byang@debian.org>
+License: GPL-2+
+
+Files: tools/* tools/update-catalog tools/update-catalog.8
+Copyright: 1997-1998 Christian Schwarz <schwarz@debian.org>
+ 1998      Manoj Srivastava <srivasta@debian.org>
+ 2001-2004 Ardo van Rangelrooij <ardo@debian.org>
+ 2010      Michael Banck <mbanck@debian.org>
+ 2012-2016 Helmut Grohne <helmut@subdivi.de>
+ 2016-2020 Joao Eriberto Mota Filho <eriberto@debian.org>
+ 2019      Boyuan Yang <byang@debian.org>
+License: GPL-2+
+
+Files: tools/*
+Copyright: 2001-2004, Ardo van Rangelrooij
+ 1997, Christian Schwarz
+License: UNKNOWN
+
+Files: tools/update-catalog
+Copyright: 2012, Jakub Wilk
+ 2012, Helmut Grohne
+ 2001-2004, Ardo van Rangelrooij
+License: UNKNOWN
+
+Files: tools/update-catalog.8
+Copyright: 2001-2004, Ardo van Rangelrooij
+License: UNKNOWN
+