chore(deps): update dependency prom_ex to ~> 1.11.0 (#104)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [prom_ex](https://hex.pm/packages/prom_ex) | minor | `~> 1.10.0` -> `~> 1.11.0` |

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #104
Co-authored-by: renovate-bot <renovate-bot@dubas.dev>
Co-committed-by: renovate-bot <renovate-bot@dubas.dev>

mix.exs

@@ -50,7 +50,7 @@ defmodule Wabanex.MixProject do
       {:phoenix_live_dashboard, "~> 0.8.0"},
       {:plug_cowboy, "~> 2.7.0"},
       {:postgrex, "~> 0.19.0"},
-      {:prom_ex, "~> 1.10.0"},
+      {:prom_ex, "~> 1.11.0"},
       {:sobelow, "~> 0.13", only: [:dev, :test], runtime: false},
       {:telemetry_metrics, "~> 1.0.0"},
       {:telemetry_poller, "~> 1.1.0"}