Merge pull request #534 from openshift-cherrypick-robot/cherry-pick-532-to-release-4.7

[release-4.7] must-gather: use 'Always' pull policy

Author: openshift-merge-robot

must-gather/node-gather/daemonset.yaml

@@ -22,7 +22,7 @@ spec:
       - name: node-probe
         image: MUST_GATHER_IMAGE
         command: ["/bin/bash", "-c", "echo ok > /tmp/healthy && sleep INF"]
-        imagePullPolicy: IfNotPresent
+        imagePullPolicy: Always
         resources:
           requests:
             cpu: "100m"