Update TLDs list

It's been two years since last update, enough for (currently unmentionable) new instances using added TLDs to appear.

mix.exs

@@ -5,7 +5,7 @@
 defmodule Linkify.Mixfile do
   use Mix.Project
 
-  @version "0.5.2"
+  @version "0.5.3"
 
   def project do
     [