auto negotiate docker version

Author: jarlah

lib/connection/dockerurl.ex

@@ -1,20 +1,18 @@
 defmodule Testcontainers.DockerUrl do
   @moduledoc false
 
-  @api_version "v1.41"
-
   @test_client Tesla.client([], Tesla.Adapter.Hackney)
 
   def construct(docker_host) do
     case URI.parse(docker_host) do
       %URI{scheme: "unix", path: path} ->
-        "http+unix://#{URI.encode_www_form(path)}/#{@api_version}"
+        "http+unix://#{URI.encode_www_form(path)}"
 
       %URI{scheme: "tcp"} = uri ->
-        URI.to_string(%{uri | scheme: "http", path: "/#{@api_version}"})
+        URI.to_string(%{uri | scheme: "http"})
 
       %URI{scheme: _, authority: _} = uri ->
-        URI.to_string(%{uri | path: "/#{@api_version}"})
+        uri
     end
   end