Updating ose-vsphere-cluster-api-controllers images to be consistent …

…with ART

Reconciling with https://github.com/openshift/ocp-build-data/tree/2e5eba0108299087402c119ba0dc979a0a6c0bd1/images/ose-vsphere-cluster-api-controllers.yml

openshift/Dockerfile.openshift

@@ -1,4 +1,4 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.18-openshift-4.11 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.18-openshift-4.12 AS builder
 
 WORKDIR /build
 COPY . .
@@ -7,7 +7,7 @@ RUN GO111MODULE=on CGO_ENABLED=0 GOOS=${GOOS} GOPROXY=${GOPROXY} go build \
   -o=cluster-api-provider-vsphere-controller-manager \
   main.go
 
-FROM registry.ci.openshift.org/ocp/4.11:base
+FROM registry.ci.openshift.org/ocp/4.12:base
 
 LABEL description="Cluster API Provider vSphere Controller Manager"