Run system-config-run-lists when testinfra changes

When the testinfra tests for listservs change we should run the
system-config-run-lists job. Make it so with file matchers.

Change-Id: I64402345ceaab2056d8ed1b3a579063de0b29c9b

zuul.d/system-config-run.yaml

@@ -215,6 +215,8 @@
       - playbooks/service-lists.yaml
       - playbooks/zuul/templates/host_vars/lists.openstack.org.yaml.j2
       - playbooks/zuul/templates/host_vars/lists.katacontainers.io.yaml.j2
+      - testinfra/test_lists_k_i.py
+      - testinfra/test_lists_o_o.py
     vars:
       run_playbooks:
         - playbooks/service-lists.yaml