relvalconsumer: pin git checkout to pre-'dist' code for now

I cut a new release for some exciting wikitcms changes, but I
don't want to deploy those on a Friday evening. So pin to the
previous commit for now.

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

roles/relvalconsumer/tasks/main.yml

@@ -138,6 +138,7 @@
   git:
     repo: https://pagure.io/fedora-qa/relvalconsumer.git
     dest: /root/relvalconsumer
+    version: f4f163199f428fb6e3a02e195150ec5bcf4f4289
   register: gitrvc
 
 - name: Check if relvalconsumer is installed for current Python