fix handleReply function documentation

Signed-off-by: alon-tchelet <alon.tchelet@streamunlimited.com>

drivers/SmartThings/harman-luxury/src/api/nsdk.lua

@@ -64,7 +64,7 @@ end
 ---@param func_name string
 ---@param u string
 ---@param sink string
----@param code integer
+---@param code integer|string
 ---@param valLocationFunc function
 ---@return boolean|number|string|table|nil, nil|string
 local function handleReply(func_name, u, sink, code, valLocationFunc)