Size memory requests from two weeks of p95 working sets

bootstrap/cnpg-operator.yaml

@@ -13,6 +13,10 @@ spec:
     targetRevision: 0.29.1
     helm:
       releaseName: cnpg-operator
+      valuesObject:
+        resources:
+          requests:
+            memory: 256Mi
   destination:
     server: https://kubernetes.default.svc
     namespace: cnpg-system