Add "Lua" to the dependency names list

 The CMake find module uses the upper-case name "Lua", which causes Meson not to find the library on case-sensitive file systems of no pkgconfig files are available.

modules/lua/meson.build

 lua_dep = dependency(
   [
-    'lua',
+    'lua', 'Lua',
     'lua-5.4', 'lua54',
     'lua-5.3', 'lua53',
     'lua-5.2', 'lua52',