Change securityContext on operator, so that scc is 'restricted'

This change will allow the SCC to be 'restricted',
otherwise it will be 'privileged'

Signed-off-by: Andrej Krejcir <akrejcir@redhat.com>

config/manager/manager.template.yaml

@@ -19,7 +19,7 @@ spec:
       serviceAccountName: ssp-operator
       priorityClassName: system-cluster-critical
       securityContext:
-        runAsUser: 1000
+        runAsNonRoot: true
       containers:
       - command:
         - /manager