[Dev] Upgrade to Elixir 1.17.0 (#289)

* upgraded to Elixir 1.17.0

* Addressed deprecation warnings

* Updated Credo

mix.exs

@@ -5,7 +5,7 @@ defmodule Pinchflat.MixProject do
     [
       app: :pinchflat,
       version: "2024.6.10",
-      elixir: "~> 1.16",
+      elixir: "~> 1.17",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),
@@ -71,7 +71,7 @@ defmodule Pinchflat.MixProject do
       {:nimble_parsec, "~> 1.4"},
       {:timex, "~> 3.0"},
       {:mox, "~> 1.0", only: :test},
-      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
+      {:credo, "~> 1.7.7", only: [:dev, :test], runtime: false},
       {:credo_naming, "~> 2.1", only: [:dev, :test], runtime: false},
       {:ex_check, "~> 0.14.0", only: [:dev, :test], runtime: false},
       {:faker, "~> 0.17", only: :test},