Test release on frozen branch

Pipeline: https://gitlab.apertis.org/infrastructure/ci-package-builder/-/pipelines/592872

Signed-off-by: Emanuele Aina <emanuele.aina@collabora.com>

The scan-licenses job on the Bookworm-based v2023dev3 branch now really
insists in eliminating the empty line it previously left at the bottom
of the `debian/apertis/copyright` file.

Signed-off-by: Emanuele Aina <emanuele.aina@collabora.com>

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