Updating sriov-network-must-gather builder & base images to be consis…

…tent with ART

Reconciling with https://github.com/openshift/ocp-build-data/tree/f01352e0069d4e8cedc0880ae427359a96668512/images/sriov-network-must-gather.yml

must-gather/Dockerfile.rhel7

@@ -1,8 +1,8 @@
-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-4.7 AS builder
 WORKDIR /go/src/github.com/k8snetworkplumbingwg/sriov-network-operator
 COPY . .
 
-FROM registry.svc.ci.openshift.org/ocp/4.7:cli
+FROM registry.ci.openshift.org/ocp/4.7:base
 LABEL io.k8s.display-name="sriov-network-operator-must-gather" \
       io.k8s.description="This is a sriov must-gather image that collectes sriov network operator related resources."
 COPY --from=builder /go/src/github.com/k8snetworkplumbingwg/sriov-network-operator/must-gather/collection-scripts/* /usr/bin/