Update registry.redhat.io/openshift4/ose-operator-registry-rhel9 Docker tag to v4.18

[red-hat-konflux]

This PR contains the following updates:

Package	Type	Update	Change
registry.redhat.io/openshift4/ose-operator-registry-rhel9	final	minor	v4.17 -> v4.18
registry.redhat.io/openshift4/ose-operator-registry-rhel9	final	minor	v4.16 -> v4.18
registry.redhat.io/openshift4/ose-operator-registry-rhel9	final	minor	v4.15 -> v4.18

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[red-hat-konflux]

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