TT#61954 Bump debhelper compat level to 12

Set debhelper compat level in Build-Depends instead of debian/compat.
Do not explicitly request the systemd sequence.
Use dh_installsystemd instead of deprecated dh_systemd_*.

Change-Id: Ic8cbf795de90aa8900a899706ce6e0474a8e6eed

debian/compat

@@ -1 +0,0 @@
-10

debian/control

@@ -3,7 +3,7 @@ Priority: optional
 Maintainer: Sipwise Development Team <support@sipwise.com>
 Homepage: https://www.sipwise.com/
 Build-Depends:
- debhelper (>= 10~),
+ debhelper-compat (= 12),
  dh-systemd (>= 1.5),
  libpq-dev,
  python3-dev,

debian/rules

@@ -4,7 +4,7 @@
 #export DH_VERBOSE=1
 
 %:
-	dh $@ --with systemd
+	dh $@
 
 override_dh_auto_test:
 
@@ -23,8 +23,8 @@ override_dh_fixperms:
 	dh_fixperms
 	chown www-data:www-data debian/repoapi/var/lib/repoapi
 
-override_dh_systemd_enable:
+override_dh_installsystemd:
-	dh_systemd_enable --name=repoapi-worker
+	dh_installsystemd --name=repoapi-worker
-	dh_systemd_enable --name=repoapi-flower
+	dh_installsystemd --name=repoapi-flower
-	dh_systemd_enable --name=repoapi-beat
+	dh_installsystemd --name=repoapi-beat