Updating ose-ovirt-machine-controllers builder & base images to be co…

…nsistent with ART

Reconciling with https://github.com/openshift/ocp-build-data/tree/0b997d0add07947c7ca65baa44901a2d113fd0e9/images/ose-ovirt-machine-controllers.yml

Dockerfile.rhel

@@ -10,7 +10,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM registry.svc.ci.openshift.org/ocp/builder:rhel-8-golang-1.15-openshift-4.6 AS builder
+FROM registry.svc.ci.openshift.org/ocp/builder:rhel-8-golang-openshift-4.7 AS builder
 
 ARG version
 ARG release
@@ -30,7 +30,7 @@ COPY . .
 RUN git --version
 RUN make build
 
-FROM registry.svc.ci.openshift.org/ocp/4.6:base
+FROM registry.svc.ci.openshift.org/ocp/4.7:base
 
 COPY --from=builder /go/cluster-api-provider-ovirt/bin/manager /
 COPY --from=builder /go/cluster-api-provider-ovirt/bin/machine-controller-manager /