rpm, deb: declare conflict with qubes-core-agent shipping qvm-console

The file was moved to this package, avoid it being installed by both
packages.

debian/control

@@ -26,6 +26,7 @@ Depends:
  ${python:Depends},
  ${python3:Depends},
  ${misc:Depends}
+Conflicts: qubes-core-agent (<< 4.1.9)
 Description: Qubes administrative tools
  Tools to manage Qubes system using Admin API
 

rpm_spec/qubes-core-admin-client.spec.in

@@ -15,6 +15,7 @@ Requires:   python%{python3_pkgversion}-qubesadmin
 Requires:   python%{python3_pkgversion}-yaml
 BuildArch:  noarch
 Source0: %{name}-%{version}.tar.gz
+Conflicts:  qubes-core-agent < 4.1.9
 
 %description
 This package include managemt tools, like qvm-*.