PRCI: use a new template for py3 testing

The new template should allow to use python3 to run ipa-run-tests
since it provides the required dependencies for HTML test results
extraction and python3-paramiko.

Reviewed-By: Felipe Barreto <fbarreto@redhat.com>

.freeipa-pr-ci.yaml

@@ -9,7 +9,7 @@ jobs:
         git_refspec: '{git_refspec}'
         template: &ci-master-f26
           name: freeipa/ci-master-f26
-          version: 0.1.3
+          version: 0.1.7
         timeout: 1800
 
   fedora-26/simple_replication: