Merge pull request #332 from openshift-bot/art-consistency-openshift-…

…4.8-prom-label-proxy

Updating prom-label-proxy builder & base images to be consistent with ART

Dockerfile.ocp

@@ -1,11 +1,11 @@
 # FROM directives are overriden by CI system (both Prow CI and OSBS)
-FROM registry.svc.ci.openshift.org/ocp/builder:rhel-8-golang-1.15-openshift-4.7 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.15-openshift-4.8 AS builder
 
 WORKDIR /go/src/github.com/openshift/prom-label-proxy
 COPY . .
 RUN if yum install -y prometheus-promu; then export BUILD_PROMU=false; fi && make build
 
-FROM registry.svc.ci.openshift.org/ocp/builder:rhel-8-base-openshift-4.7
+FROM registry.ci.openshift.org/ocp/builder:rhel-8-base-openshift-4.8
 COPY --from=builder /go/src/github.com/openshift/prom-label-proxy/prom-label-proxy /usr/bin/prom-label-proxy
 
 LABEL io.k8s.display-name="" \