Merge LUA 5.4.6

This is a bug fix to Lua 5.4.4 (5.4.5 was withdrawn due to ABI issues
and 5.4.6 is 5.4.5 with those fixed).

contrib/lua: update to 5.4.2

Merge commit '0ea45b9cd43ce1247eb3eee9bfd5cee3d19068e7' into main

Import lua 5.3.4 to contrib