[libc-commits] [libc] Rename `libc/utils/hdrgen/yaml/` to `libc/utils/hdrgen/spec/` (PR #120931)

[Joseph Huber via libc-commits]

https://github.com/jhuber6 approved this pull request.

Even thought it's the holidays, guess it's been long enough without anyone complaining that this is probably fine.

https://github.com/llvm/llvm-project/pull/120931