cbcbox 2.929 fixes the Windows AVX-512 crash: SKYLAKEX was removed from
the AVX2 OpenBLAS kernel list, preventing STATUS_ILLEGAL_INSTRUCTION on
Azure Hyper-V runners where CPUID reports AVX-512 but the ZMM XSAVE state
is not enabled.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>