Updating operator-lifecycle-manager-container image to be consistent with ART

Reconciling with https://github.com/openshift/ocp-build-data/tree/9dc2a375bf335e7e4e3d7e75abc5c3bdbb0c0e98/images/operator-lifecycle-manager.yml

Author: AOS Automation Release Team

.ci-operator.yaml

@@ -1,4 +1,4 @@
 build_root_image:
   name: release
   namespace: openshift
-  tag: rhel-8-release-golang-1.20-openshift-4.15
+  tag: rhel-9-release-golang-1.20-openshift-4.15

operator-lifecycle-manager.Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.20-openshift-4.15 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.20-openshift-4.15 AS builder
 
 ENV GO111MODULE auto
 ENV GOPATH /go
@@ -18,7 +18,7 @@ RUN mkdir -p .git/objects
 COPY . .
 RUN make build/olm bin/cpb
 
-FROM registry.ci.openshift.org/ocp/4.15:base
+FROM registry.ci.openshift.org/ocp/4.15:base-rhel9
 
 ADD manifests/ /manifests
 LABEL io.openshift.release.operator=true