UPSTREAM: <carry>: Updating csi-attacher-container image to be consis…

…tent with ART

Reconciling with https://github.com/openshift/ocp-build-data/tree/c78b2b27f47b41d5d59449c863f3dea6eaa988b7/images/csi-attacher.yml

.ci-operator.yaml

@@ -1,4 +1,4 @@
 build_root_image:
   name: release
   namespace: openshift
-  tag: rhel-9-release-golang-1.20-openshift-4.15
+  tag: rhel-9-release-golang-1.21-openshift-4.16

Dockerfile.openshift.rhel7

@@ -1,8 +1,8 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.20-openshift-4.15 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.21-openshift-4.16 AS builder
 WORKDIR /go/src/github.com/kubernetes-csi/external-attacher
 COPY . .
 RUN make build
 
-FROM registry.ci.openshift.org/ocp/4.15:base-rhel9
+FROM registry.ci.openshift.org/ocp/4.16:base-rhel9
 COPY --from=builder /go/src/github.com/kubernetes-csi/external-attacher/bin/csi-attacher /usr/bin/
 ENTRYPOINT ["/usr/bin/csi-attacher"]