chore: tuning resource usage for operator pod

- reduce cpu and mem usage from limit and request
- request from testing in a large cluster psi-04
- limit from pref

Signed-off-by: Wen Zhou <wenzhou@redhat.com>

bundle/manifests/opendatahub-operator.clusterserviceversion.yaml

@@ -102,13 +102,13 @@ metadata:
     categories: AI/Machine Learning, Big Data
     certified: "False"
     containerImage: quay.io/opendatahub/opendatahub-operator:v2.14.0
-    createdAt: "2024-06-25T17:51:36Z"
-    olm.skipRange: '>=1.0.0 <2.14.0'
+    createdAt: "2024-07-19T07:30:23Z"
+    olm.skipRange: '>=1.0.0 <2.15.0'
     operators.operatorframework.io/builder: operator-sdk-v1.31.0
     operators.operatorframework.io/internal-objects: '[dscinitialization.opendatahub.io]'
     operators.operatorframework.io/project_layout: go.kubebuilder.io/v3
     repository: https://github.com/opendatahub-io/opendatahub-operator
-  name: opendatahub-operator.v2.14.0
+  name: opendatahub-operator.v2.15.0
   namespace: placeholder
 spec:
   apiservicedefinitions: {}
@@ -1730,10 +1730,10 @@ spec:
                   periodSeconds: 10
                 resources:
                   limits:
-                    cpu: 500m
-                    memory: 4Gi
+                    cpu: 300m
+                    memory: 900Mi
                   requests:
-                    cpu: 500m
+                    cpu: 25m
                     memory: 256Mi
                 securityContext:
                   allowPrivilegeEscalation: false
@@ -1789,7 +1789,7 @@ spec:
   selector:
     matchLabels:
       component: opendatahub-operator
-  version: 2.14.0
+  version: 2.15.0
   webhookdefinitions:
   - admissionReviewVersions:
     - v1

config/manager/manager.yaml

@@ -70,10 +70,10 @@ spec:
         # More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
         resources:
           limits:
-            cpu: 500m
-            memory: 4Gi
+            cpu: 300m
+            memory: 900Mi
           requests:
-            cpu: 500m
+            cpu: 25m
             memory: 256Mi
       serviceAccountName: controller-manager
       terminationGracePeriodSeconds: 10