Updating ose-ibmcloud-machine-controllers-container image to be consistent with ART for 4.18

Reconciling with https://github.com/openshift/ocp-build-data/tree/827ab4ccce9cbbcf82c9dbaf6398b61d6cff8d7a/images/ose-ibmcloud-machine-controllers.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

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
 WORKDIR /go/src/github.com/openshift/machine-api-provider-ibmcloud
 
 COPY . .
@@ -7,5 +7,5 @@ RUN unset VERSION \
  && GOPROXY=off NO_DOCKER=1 make build
 RUN mkdir -p /tmp/build && cp _output/linux/$(go env GOARCH)/machine-controller-manager /tmp/build/machine-controller-manager
 
-FROM registry.ci.openshift.org/ocp/4.17:base-rhel9
+FROM registry.ci.openshift.org/ocp/4.18:base-rhel9
 COPY --from=builder /tmp/build/machine-controller-manager /