Merge pull request kubernetes-csi#54 from openshift-bot/art-consistency-openshift-4.9-csi-snapshot-validation-webhook

Updating csi-snapshot-validation-webhook images to be consistent with ART

Author: openshift-merge-robot

Dockerfile.webhook.openshift.rhel7

@@ -1,8 +1,8 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.16-openshift-4.8 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.16-openshift-4.9 AS builder
 WORKDIR /go/src/github.com/kubernetes-csi/external-snapshotter
 COPY . .
 RUN make build
 
-FROM registry.ci.openshift.org/ocp/4.8:base
+FROM registry.ci.openshift.org/ocp/4.9:base
 COPY --from=builder /go/src/github.com/kubernetes-csi/external-snapshotter/bin/snapshot-validation-webhook /usr/bin/
 ENTRYPOINT ["/usr/bin/snapshot-validation-webhook"]