Merge pull request #944 from petr-muller/dockerfile-public-ubi

Dockerfile: bump to 1.19 and use public UBI pullspec

Dockerfile

@@ -1,11 +1,11 @@
-FROM registry.ci.openshift.org/openshift/release:golang-1.18 AS builder
+FROM registry.ci.openshift.org/openshift/release:golang-1.19 AS builder
 WORKDIR /go/src/github.com/openshift/cluster-version-operator
 COPY . .
 RUN hack/build-go.sh; \
     mkdir -p /tmp/build; \
     cp _output/linux/$(go env GOARCH)/cluster-version-operator /tmp/build/cluster-version-operator
 
-FROM registry.ci.openshift.org/ocp/ubi:8
+FROM registry.access.redhat.com/ubi9/ubi-minimal:latest
 COPY --from=builder /tmp/build/cluster-version-operator /usr/bin/
 COPY install /manifests
 COPY vendor/github.com/openshift/api/config/v1/0000_00_cluster-version-operator_01_clusterversion.crd.yaml /manifests/