v0.40.7-rc1: mlx: deduplicate CUDA runtime payloads (#17956)

发生了什么

Deduplicate MLX CUDA runtime payloads Move CUDA libraries shared by the GGML and MLX backends into the sibling CUDA payload, and teach in-process and subprocess MLX loading to resolve that packaged dependency directory. Keep MLX-private libraries and JIT headers in the MLX overlay, include the full OpenBLAS Fortran runtime closure, and verify those dependencies in release packaging. address comments

摘要按规则整理自下方来源原文

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