Bump base images from 4.21 to 4.22

Update builder and base images to 4.22 release.

Assisted with Claude

Author: Thealisyed

.ci-operator.yaml

@@ -1,4 +1,4 @@
 build_root_image:
   name: release
   namespace: openshift
-  tag: rhel-9-release-golang-1.24-openshift-4.21
+  tag: rhel-9-release-golang-1.24-openshift-4.22

Dockerfile

@@ -1,9 +1,9 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.24-openshift-4.21 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.24-openshift-4.22 AS builder
 WORKDIR /dns-operator
 COPY . .
 RUN make build
 
-FROM registry.ci.openshift.org/ocp/4.21:base-rhel9
+FROM registry.ci.openshift.org/ocp/4.22:base-rhel9
 COPY --from=builder /dns-operator/dns-operator /usr/bin/
 COPY manifests /manifests
 RUN useradd dns-operator