Increase max host-deploy time to 20 minutes

... from 10 minutes.

Still looking why it took so long, but no harm in increasing, for now.

Related-To: https://bugzilla.redhat.com/show_bug.cgi?id=1814940

tasks/bootstrap_local_vm/05_add_host.yml

@@ -144,7 +144,7 @@
       host_result_up_check.ansible_facts.ovirt_hosts[0].status == 'non_operational'
       )
     retries: 120
-    delay: 5
+    delay: 10
   - debug: var=host_result_up_check
   - name: Handle deployment failure
     block: