Action not working - due to lua.org planned outtage - Mirror available

[Rathoz]

Lua.org has planned outtages during June and July.

Mirror available at https://www.tecgraf.puc-rio.br/lua/mirror/

https://github.com/leafo/gh-actions-lua/blob/master/main.js#L199 needs to be changed or modified to take the mirror into account

As per https://groups.google.com/g/lua-l/c/VfjPoNlzvfM