feat: upgrade dependencies

* `bandit`: from 1.6.1 to 1.6.5
* `phoenix_html`: from 4.1.1 to 4.2.0
* `phoenix_live_dashboard`: from 0.8.5 to 0.8.6
* `phoenix_live_view`: from 1.0.1 to 1.0.2
* `swoosh`: from 1.17.5 to 1.17.6
* `testcontainers`: from 1.11.7 to 1.11.8

Added transient dependency:

* `uniq`: needed by `testcontainers`

mix.exs

@@ -43,7 +43,7 @@ defmodule Slax.MixProject do
       {:jason, "~> 1.4.0"},
       {:phoenix, "~> 1.7.0"},
       {:phoenix_ecto, "~> 4.6.0"},
-      {:phoenix_html, "~> 4.1.0"},
+      {:phoenix_html, "~> 4.2.0"},
       {:phoenix_live_reload, "~> 1.5.0", only: :dev},
       {:phoenix_live_view, "~> 1.0.0", override: true},
       {:phoenix_live_dashboard, "~> 0.8.3"},