new style: update debian files

(Related to #17100017)

debian/control

@@ -4,7 +4,9 @@ Priority: optional
 Maintainer: LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
 Build-Depends:
  debhelper (>= 9),
+ dh-python,
  python (>= 2.6.5),
+ python-setuptools,
 Standards-Version: 3.9.6
 Homepage: https://www.cubicweb.org/project/cubicweb-postgis
 X-Python-Version: >= 2.6
@@ -12,7 +14,7 @@ X-Python-Version: >= 2.6
 Package: cubicweb-postgis
 Architecture: all
 Depends:
- cubicweb-common (>= 3.22.0),
+ python-cubicweb (>= 3.24.0),
  python-cwtags (>= 1.1.0),
  ${python:Depends},
  ${misc:Depends},

debian/rules

 #!/usr/bin/make -f
 
-export NO_SETUPTOOLS=1
-
 %:
 	dh $@ --with python2
-
-override_dh_python2:
-	dh_python2 -i /usr/share/cubicweb