update deps

mix.exs

@@ -5,8 +5,9 @@ defmodule FeedReader.MixProject do
     [
       app: :feed_reader,
       version: "0.1.0",
-      elixir: "~> 1.18",
+      elixir: "~> 1.20.4",
       start_permanent: Mix.env() == :prod,
+      aliases: aliases(),
       deps: deps()
     ]
   end
@@ -15,7 +16,30 @@ defmodule FeedReader.MixProject do
     [extra_applications: [:logger]]
   end
 
+  def cli do
+    [preferred_envs: [precommit: :test]]
+  end
+
   defp deps do
-    []
+    [
+      {:credo, "~> 1.7.19", only: :dev},
+      {:date_time_parser, "~> 1.3.0"},
+      {:ex_slop, "~> 0.4", only: :dev},
+      {:html_sanitize_ex, "~> 1.5.5"},
+      {:req, "~> 0.7.5"},
+      {:saxy, "~> 1.6"},
+      {:tongue, "~> 2.3.0"}
+    ]
+  end
+
+  defp aliases do
+    [
+      precommit: [
+        "compile --warnings-as-errors",
+        "deps.unlock --unused",
+        "format --check-formatted",
+        "test"
+      ]
+    ]
   end
 end