Step 2 of 2. The coredns ConfigMap is a Talos bootstrap manifest; Flux
stops applying its own copy (prune is disabled since the previous
commit, so the live ConfigMap stays until talosctl upgrade-k8s writes
Talos's version). CoreDNS forwards to the node resolver, which asks
k8s-gateway first, so cluster DNS no longer depends on Flux.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>