bump(k8s): update builder images

Signed-off-by: jubittajohn <jujohn@redhat.com>

Author: jubittajohn

.ci-operator.yaml

@@ -1,4 +1,4 @@
 build_root_image:
   name: release
   namespace: openshift
-  tag: rhel-9-release-golang-1.25-openshift-4.22
+  tag: rhel-9-release-golang-1.26-openshift-5.0

Dockerfile.rhel7

@@ -1,11 +1,11 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.25-openshift-4.22 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.26-openshift-5.0 AS builder
 WORKDIR /go/src/github.com/openshift/cluster-kube-apiserver-operator
 COPY . .
 ENV GO_PACKAGE github.com/openshift/cluster-kube-apiserver-operator
 RUN make build --warn-undefined-variables \
     && gzip cluster-kube-apiserver-operator-tests-ext
 
-FROM registry.ci.openshift.org/ocp/4.21:base-rhel9
+FROM registry.ci.openshift.org/ocp/5.0:base-rhel9
 COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator/bindata/bootkube/bootstrap-manifests /usr/share/bootkube/manifests/bootstrap-manifests/
 COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator/bindata/bootkube/config /usr/share/bootkube/manifests/config/
 COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator/bindata/bootkube/manifests /usr/share/bootkube/manifests/manifests/