Merge pull request #52 from openshift-bot/art-consistency-openshift-4…

….16-ose-multus-route-override-cni

OCPBUGS-24721: Updating ose-multus-route-override-cni-container image to be consistent with ART

Dockerfile.openshift

@@ -1,13 +1,13 @@
 # This dockerfile is used for building for OpenShift
-FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.21-openshift-4.16 AS rhel9
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.20-openshift-4.16 AS rhel9
 ADD . /usr/src/route-override
 WORKDIR /usr/src/route-override
 ENV CGO_ENABLED=0
 ENV VERSION=rhel9 COMMIT=unset
 RUN ./build_linux.sh
 WORKDIR /
 
-FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.21-openshift-4.16 AS rhel8
+FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.20-openshift-4.16 AS rhel8
 ADD . /usr/src/route-override
 WORKDIR /usr/src/route-override
 ENV CGO_ENABLED=0