bundle.yaml: Bump Prometheus Operator memory request and limit (#1622)

When handling big Kubernetes objects, marshalling objects is memory
intense. This can be reproduced with the end-to-end test
`TestPrometheusRulesExceedingConfigMapLimit`. This patch doubles the
memory request and limit of the Prometheus Operator deployment to 100mb
and 200mb.

manifests/0prometheus-operator-deployment.yaml

@@ -29,10 +29,10 @@ spec:
         resources:
           limits:
             cpu: 200m
-            memory: 100Mi
+            memory: 200Mi
           requests:
             cpu: 100m
-            memory: 50Mi
+            memory: 100Mi
         securityContext:
           allowPrivilegeEscalation: false
           readOnlyRootFilesystem: true