openshift-apps: put fedora-ostree-pruner to sleep

The most recent run caused some data loss [1] so let's put it to
sleep while we wait for the fix [2] to land.

[1] https://github.com/fedora-silverblue/issue-tracker/issues/405
[2] https://github.com/ostreedev/ostree/pull/2808

roles/openshift-apps/fedora-ostree-pruner/templates/deploymentconfig.yml

@@ -20,8 +20,8 @@ spec:
       - name: fedora-ostree-pruner
         # sleep infinity is useful for debugging environment issues
         # comment out when not debugging
-        # args: ['/usr/bin/sleep', 'infinity']
-        # command: ['/usr/bin/dumb-init']
+        args: ['/usr/bin/sleep', 'infinity']
+        command: ['/usr/bin/dumb-init']
         volumeMounts:
         - name: fedora-ostree-content-volume
           mountPath: /mnt/koji