I read the article in full. There is no confirmation of using GBU-57 in the strike. Re-read your quoted section. The English is a bit convoluted, but does do not confirm usage.

Tin foil hat engaged: For all we know special forces detonated plastic explosives deep on site after doors were blown off.

More seriously: Nothing has been confirmed except a Truth Social post.

It’s the only bomb types that make sense given how deep Fordow is buried