docs: Update README

README.md

@@ -16,7 +16,7 @@ by adding `ecto_job_scheduler` to your list of dependencies in `mix.exs`:
 ```elixir
 def deps do
   [
-    {:ecto_job_scheduler, "~> 0.2.0"}
+    {:ecto_job_scheduler, "~> 0.4.1"}
   ]
 end
 ```