openqa: update python selinux package name for Python 3

Signed-off-by: Adam Williamson <awilliam@redhat.com>

roles/openqa/server/tasks/main.yml

@@ -103,7 +103,7 @@
 
 - name: Install various other required packages
   package:
-    name: ['libselinux-python', 'git', 'json_diff', 'libselinux-utils', 'libsemanage-python',
+    name: ['python3-libselinux', 'git', 'json_diff', 'libselinux-utils', 'libsemanage-python',
            'nfs-utils', 'perl(Class::DBI::Pg)', 'expect', 'libguestfs-tools-c', 'libguestfs-xfs',
            'libvirt-daemon-config-network', 'libvirt-python3', 'python3-libguestfs',
            'virt-install', 'withlock']

roles/openqa/worker/tasks/main.yml

@@ -25,7 +25,7 @@
 
 - name: Install packages
   package:
-    name: ['libselinux-python', 'git']
+    name: ['python3-libselinux', 'git']
     state: present
   tags:
   - packages