Ensure the pod is completed

Reduce sleep command to 5 minutes and never restart the Pod.
This ensures the pod mounting the volume with results completes in a
reasonable time.
By doing so we ensure that pods spun up by must-gather won't interefere
with future scans by keeping the PVC mounted.

utils/must-gather/fetch-raw-results-pod-template.yaml

@@ -7,10 +7,11 @@ spec:
     runAsNonRoot: true
     seccompProfile:
       type: RuntimeDefault
+  restartPolicy: Never
   containers:
     - name: extract-raw-results
       image: registry.access.redhat.com/ubi9/ubi
-      command: ["sleep", "3000"]
+      command: ["sleep", "300"]
       volumeMounts:
       - mountPath: "/scan-results"
         name: results-vol