OCPBUGS-24862: Updating ose-installer-altinfra-container image to be consistent with ART

Manual cherry-pick of #7819
to fix merge conflicts.

Author: r4f4

images/installer-altinfra/Dockerfile.ci

@@ -7,15 +7,15 @@
 # solutions. Once all providers have alternate implementations, this image will
 # not be needed. 
 
-FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.20-openshift-4.15 AS builder
+FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.20-openshift-4.16 AS builder
 ARG TAGS="altinfra"
 WORKDIR /go/src/github.com/openshift/installer
 COPY . .
 RUN DEFAULT_ARCH="$(go env GOHOSTARCH)" hack/build.sh
 RUN go run -mod=vendor hack/build-coreos-manifest.go
 
 
-FROM registry.ci.openshift.org/ocp/4.15:base
+FROM registry.ci.openshift.org/ocp/4.16:base
 COPY --from=builder /go/src/github.com/openshift/installer/bin/openshift-install /bin/openshift-install
 COPY --from=builder /go/src/github.com/openshift/installer/bin/manifests/ /manifests/
 RUN mkdir /output && chown 1000:1000 /output