[llvm] Use exec_script_allowlist in //llvm/utils/gn/.gn (PR #134172)

[Hans Wennborg via llvm-commits]

zmodem wrote:

I see the new spelling was added in January (https://gn.googlesource.com/gn/+/ed1abc107815210dc66ec439542bee2f6cbabc00), so this requires a fairly recent version of gn. I don't know if that's a problem for people or not.

Anyway, @nico knows the gn build best.



https://github.com/llvm/llvm-project/pull/134172