ad-auth: fix kinit for stretch hosts

ad-auth/tasks/sssd.yml

@@ -37,7 +37,7 @@
       expect:
         command: kinit Administrator
         responses:
-          "Password for Administrator@{{ domain.upper() }}": "{{ lookup('passwordstore', 'samba-admin') }}"
+          "Password for Administrator.*": "{{ lookup('passwordstore', 'samba-admin') }}"
       when: debian_version == "stretch"
     - name: leave any other realm
       command: realm leave