Merge pull request #95962 from openshift-cherrypick-robot/cherry-pick-95930-to-enterprise-4.18

[enterprise-4.18] OBSDOCS-1881 [POWERMON] Update attribute for PM Operator

Author: mburke5678

_attributes/common-attributes.adoc

@@ -176,7 +176,7 @@ endif::[]
 :PM-title: power monitoring for Red Hat OpenShift
 :PM-shortname: power monitoring
 :PM-shortname-c: Power monitoring
-:PM-operator: Power monitoring Operator
+:PM-operator: Power Monitoring Operator
 :PM-kepler: Kepler
 //serverless
 :ServerlessProductName: OpenShift Serverless