[release-4.11] PORTENABLE-526: operator: use a partial metadata watch for Namespaces#550

openshift-cherrypick-robot wants to merge 1 commit intoopenshift:release-4.11openshift/cloud-credential-operator:release-4.11from

openshift-cherrypick-robot:cherry-pick-546-to-release-4.11openshift-cherrypick-robot/cloud-credential-operator:cherry-pick-546-to-release-4.11Copy head branch name to clipboard