Add new_transaction_id benchmark

Author: mickel8

bench/message.exs

@@ -70,6 +70,7 @@ fix_raw_xor_addr = xor_addr_to_raw.()
 
 Benchee.run(
   %{
+    "new_transaction_id" => fn -> <<t_id::12*8>> = :crypto.strong_rand_bytes(12) end,
     "binding_request.encode" => fn -> binding_request_enc.() end,
     "binding_request.decode" => fn -> {:ok, _} = Message.decode(fix_enc_binding_request) end,
     "binding_response.encode" => fn -> binding_response_enc.() end,

test/ex_stun/client_test.exs

@@ -2,7 +2,7 @@ defmodule ExSTUN.ClientTest do
   use ExUnit.Case
 
   test "" do
-    {:ok, pid} = ExSTUN.Client.start_link('stun.l.google.com', 19_302)
+    {:ok, pid} = ExSTUN.Client.start_link(~c"stun.l.google.com", 19_302)
 
     m =
       ExSTUN.Message.new(%ExSTUN.Message.Type{