Switch to debhelper-compat (= 13)

Fix inconsistency between debhelper versions.

Fix lintian tag: no-versioned-debhelper-prerequisite
See: https://udd.debian.org/lintian-tag.cgi?tag=no-versioned-debhelper-prerequisite



Signed-off-by: Dylan Aïssi <dylan.aissi@collabora.com>

debian/compat

-10

debian/control

@@ -5,7 +5,7 @@ Maintainer: Apertis maintainers <maintainers@lists.apertis.org>
 Build-Depends:
  autoconf-archive,
  autotools-dev,
- debhelper (>= 9),
+ debhelper-compat (= 13),
  dh-apparmor,
  gobject-introspection,
  libgirepository1.0-dev,