nmap was updated from 7.93 -> 7.94 in
<https://github.com/NixOS/nixpkgs/pull/238960>
as part of that update, upstream migrated from lua5.3 to lua5.4, see:
<7d57e7d6b1>
nmap's configure script falls back to its vendored liblua if it can't
find the expected lua version (silently). that means we lost all
nix-specific lua patches that make things like cross compilation work.
this patch brings the lua versions back in line to fix that regression.
a2a5c711e7