luarocks-packages-updater: include lua versions for script

Keep getting failures/errors/etc relating to lua version not available.
Have just been manually reverting those failed changes, but figure it
makes more sense to just make the versions available for the updater to
use, when it's needed.

Signed-off-by: Austin Horstman <[e-mail]>

pkgs/by-name/lu/luarocks-packages-updater/package.nix

···
   nix-prefetch-scripts,
   luarocks-nix,
   pluginupdate,
+  lua5_1,
+  lua5_2,
+  lua5_3,
+  lua5_4,
+  luajit,
 }:
 let
 
···
     nix
     nix-prefetch-scripts
     luarocks-nix
+    lua5_1
+    lua5_2
+    lua5_3
+    lua5_4
+    luajit
   ];
 
   attrs = builtins.fromTOML (builtins.readFile ./pyproject.toml);