chore(deps): update dependency dns_cluster to ~> 0.2.0 (#126)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [dns_cluster](https://hex.pm/packages/dns_cluster) ([source](https://github.com/phoenixframework/dns_cluster)) | prod | minor | `~> 0.1.1` -> `~> 0.2.0` |

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Reviewed-on: #126
Co-authored-by: renovate-bot <renovate-bot@dubas.dev>
Co-committed-by: renovate-bot <renovate-bot@dubas.dev>

mix.exs

@@ -36,7 +36,7 @@ defmodule Wabanex.MixProject do
       {:credo, "~> 1.7.0", only: [:dev, :test], runtime: false},
       {:crudry, "~> 2.4.0"},
       {:dialyxir, "~> 1.4.0", only: [:dev, :test], runtime: false},
-      {:dns_cluster, "~> 0.1.1"},
+      {:dns_cluster, "~> 0.2.0"},
       {:ecto_sql, "~> 3.12.0"},
       {:gettext, "~> 0.26.0"},
       {:jason, "~> 1.4.0"},