DRA: Standard numaNode Device Attribute

### Enhancement Description - **One-line description:** Standardize `resource.kubernetes.io/numaNode` as a well-known DRA device attribute alongside `pcieRoot`, enabling cross-driver NUMA co-placement via `matchAttribute`. - **KEP link:** https://github.com/kubernetes/enhancements/pull/6073 - **Primary contact (assignee):** @johnahull - **Responsible SIGs:** SIG Node, WG Device Management - **Enhancement target:** - Alpha: 1.37 - Beta: 1.38 - Stable: 1.39 ### Alpha in 1.37 - [ ] KEP PR merged (kubernetes/enhancements#6073) - [ ] Code PR: helper functions in `deviceattribute` library (kubernetes/kubernetes#NNNN) - [ ] Docs PR (kubernetes/website#NNNN)