adjust example for newly added feature

Author: makspll

crates/languages/bevy_mod_scripting_lua/tests/data/construct/construct_unit_struct.lua

@@ -1,4 +1,4 @@
 local type = world.get_type_by_name("UnitStruct")
-local constructed = construct(type, {})
+local constructed = construct(type, map({}))
 
 assert(constructed ~= nil, "Value was not constructed")