add dialyxir as test dependency

Author: zcesur

mix.exs

@@ -58,7 +58,7 @@ defmodule Algora.MixProject do
       {:dns_cluster, "~> 0.1.1"},
       {:bandit, "~> 1.2"},
       {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
-      {:dialyxir, "~> 1.3", only: [:dev], runtime: false},
+      {:dialyxir, "~> 1.3", only: [:dev, :test], runtime: false},
       {:joken, "~> 2.5"},
       {:nanoid, "~> 2.1.0"},
       {:ex_cldr, "~> 2.0"},