Merge pull request #1272 from DavidHurta/fix-build-image-script

NO-JIRA: hack/build-image.sh: Update Dockerfile reference

Author: openshift-merge-bot[bot]

hack/build-image.sh

@@ -22,4 +22,4 @@ if [ -z ${VERSION_OVERRIDE+a} ]; then
 fi
 
 set -x
-podman build -t "cluster-version-operator:${VERSION_OVERRIDE}" -f Dockerfile --no-cache
+podman build -t "cluster-version-operator:${VERSION_OVERRIDE}" -f Dockerfile.rhel --no-cache