UPSTREAM: <carry>: Update Dockerfile images to match ART

(cherry picked from commit d821355)
(cherry picked from commit 8eaf9ca)
(cherry picked from commit 6548638)
(cherry picked from commit e77d513)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit 21ae45b)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit f4e855d)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit 212b84e)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit 10c686d)
Signed-off-by: Mat Kowalski <mko@redhat.com>

.ci-operator.yaml

@@ -1,4 +1,4 @@
 build_root_image:
   name: release
   namespace: openshift
-  tag: rhel-8-release-golang-1.18-openshift-4.11
+  tag: rhel-8-release-golang-1.18-openshift-4.12

build/Dockerfile.openshift

@@ -1,9 +1,9 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.18-openshift-4.11 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.18-openshift-4.12 AS builder
 WORKDIR /go/src/github.com/openshift/kubernetes-nmstate
 COPY . .
 RUN GO111MODULE=on go build --mod=vendor -o build/_output/bin/manager ./cmd/handler/
 
-FROM registry.ci.openshift.org/ocp/4.11:base
+FROM registry.ci.openshift.org/ocp/4.12:base
 
 RUN \
     dnf -y update && \

build/Dockerfile.operator.openshift

@@ -1,9 +1,9 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.18-openshift-4.11 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.18-openshift-4.12 AS builder
 WORKDIR /go/src/github.com/openshift/kubernetes-nmstate
 COPY . .
 RUN GO111MODULE=on go build --mod=vendor -o build/_output/bin/manager ./cmd/operator
 
-FROM registry.ci.openshift.org/ocp/4.11:base
+FROM registry.ci.openshift.org/ocp/4.12:base
 
 COPY --from=builder /go/src/github.com/openshift/kubernetes-nmstate/build/_output/bin/manager /usr/bin/
 COPY deploy/crds/nmstate.io_nodenetwork*.yaml /bindata/kubernetes-nmstate/crds/