I am refering to Salsa commit https://salsa.debian.org/jmw/pkg-
backintime/-/commit/8e672f5535a99b3edecd3937f43af40d8dcdb957 related to
packaging 1.6.2-1.

The file debian/copyright has wrong license info for the file
qt/io.github.bit_team.back_in_time.gui.metainfo.xml

According the SPDX meta data of that file it is license as CC0-1.0.
But debian/copyright claims it as GPL-2+.

Upstream supports 100% REUSE standard providing license and copyright
information in a machine readable format (SPDX).
Therefor, I strongly recommend to use tools like "spdx2debian" to auto generate
a debian/copyright file out of it.

https://codeberg.org/buhtz/spdx2debian