fix(observability): rename Kepler RBAC and update OWNERS to address review feedback

Signed-off-by: abdullahpathan22 <abdullahpathan22@users.noreply.github.com>

Author: abdullahpathan22

common/observability/OWNERS

@@ -1,4 +1,7 @@
 approvers:
-  - abdullahpathan22
+  - juliusvonkohout
+  - kimwnasptd
 reviewers:
-  - abdullahpathan22
+  - juliusvonkohout
+  - kimwnasptd
+  - tarekabouzeid

common/observability/base/kepler/clusterrole.yaml

@@ -1,7 +1,7 @@
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:
-  name: kepler-role
+  name: kubeflow-kepler-role
 rules:
 - apiGroups: [""]
   resources: ["nodes", "pods", "namespaces"]

common/observability/base/kepler/clusterrolebinding.yaml

@@ -1,11 +1,11 @@
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
-  name: kepler-role-binding
+  name: kubeflow-kepler-role-binding
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole
-  name: kepler-role
+  name: kubeflow-kepler-role
 subjects:
 - kind: ServiceAccount
   name: kepler-sa