chore(deps): update dependency phoenix_live_dashboard to ~> 0.8

Author: renovate[bot]

mix.exs

@@ -41,7 +41,7 @@ defmodule Ketbin.MixProject do
       {:phoenix_html, "~> 3.0"},
       {:phoenix_live_view, "~> 0.18.0"},
       {:phoenix_live_reload, "~> 1.3", only: :dev},
-      {:phoenix_live_dashboard, "~> 0.5"},
+      {:phoenix_live_dashboard, "~> 0.8"},
       {:telemetry_metrics, "~> 0.6"},
       {:telemetry_poller, "~> 0.5"},
       {:gettext, "~> 0.18"},