Updating operator-registry-container image to be consistent with ART for 4.18

Reconciling with https://github.com/openshift/ocp-build-data/tree/827ab4ccce9cbbcf82c9dbaf6398b61d6cff8d7a/images/operator-registry.yml

Author: AOS Automation Release Team

.ci-operator.yaml

@@ -1,4 +1,4 @@
 build_root_image:
   name: release
   namespace: openshift
-  tag: rhel-9-release-golang-1.22-openshift-4.17
+  tag: rhel-9-release-golang-1.22-openshift-4.18

operator-registry.Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.22-openshift-4.17 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.22-openshift-4.18 AS builder
 
 ENV GOPATH /go
 ENV PATH $GOPATH/bin:/usr/local/go/bin:$PATH
@@ -11,7 +11,7 @@ RUN make build/registry cross
 # copy and build vendored grpc_health_probe
 RUN CGO_ENABLED=0 go build -mod=vendor -tags netgo -ldflags "-w" ./vendor/github.com/grpc-ecosystem/grpc-health-probe/...
 
-FROM registry.ci.openshift.org/ocp/4.17:base-rhel9
+FROM registry.ci.openshift.org/ocp/4.18:base-rhel9
 
 COPY --from=builder /src/bin/* /bin/registry/
 COPY --from=builder /src/grpc-health-probe /bin/grpc_health_probe