v2025.10.13.00

Move to ftpmirror for all gnu

Summary:
X-link: https://github.com/facebookexperimental/moxygen/pull/79

as in title

Reviewed By: roticv

Differential Revision: D84388344

fbshipit-source-id: 96057b6b1c5f282451b8c2b582649c379cac9ecb