DPU CSV, image-references, and package.yaml still reference 4.14 while art.yaml directs looking for 4.15 to replace.

These references must be updated before this operator can be pre-released (hopefully with ec.1). Until then, dpu-network-operator will be disabled in 4.15. You can use this bug to fix that and file a PR to revert https://github.com/openshift-eng/ocp-build-data/pull/3722/commits/d7fc0e5d1416f2927212137effcac80e96823574 to re-enable it after an ARTist has tested the fix (alert @release-artists in #forum-ocp-art).