feat: upgrade deps

* elixir: 1.15.7 to 1.16.1
* erlang: 26.1.2 to 26.2.2

docker-compose.yml

@@ -1,7 +1,7 @@
 ---
 services:
   db:
-    image: 'postgres:16.1-alpine'
+    image: 'postgres:16.0-alpine'
     hostname: &db_host db
     init: true
     environment:

mix.exs

@@ -48,7 +48,7 @@ defmodule Wabanex.MixProject do
       {:plug_cowboy, "~> 2.7.0"},
       {:postgrex, "~> 0.17.0"},
       {:prom_ex, "~> 1.9.0"},
-      {:sobelow, "~> 0.13", only: [:dev, :test], runtime: false},
+      {:sobelow, "~> 0.12", only: [:dev, :test], runtime: false},
       {:telemetry_metrics, "~> 0.6.0"},
       {:telemetry_poller, "~> 1.0.0"}
     ]