Relaxed PDB for single instance deployments.

Author: Silvenga

manifests/install/all/base/disruption-budget.yaml

@@ -4,7 +4,7 @@ metadata:
   name: contrast-agent-operator
   namespace: contrast-agent-operator
 spec:
-  minAvailable: 1
+  maxUnavailable: 1
   selector:
     matchLabels:
       app.kubernetes.io/name: operator