chore(deps): update dependency telemetry_poller to ~> 1.2.0 (#135)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [telemetry_poller](https://hex.pm/packages/telemetry_poller) ([source](https://github.com/beam-telemetry/telemetry_poller)) | prod | minor | `~> 1.1.0` -> `~> 1.2.0` |

---

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Reviewed-on: #135
Co-authored-by: renovate-bot <renovate-bot@dubas.dev>
Co-committed-by: renovate-bot <renovate-bot@dubas.dev>

mix.exs

@@ -53,7 +53,7 @@ defmodule Wabanex.MixProject do
       {:prom_ex, "~> 1.11.0"},
       {:sobelow, "~> 0.13", only: [:dev, :test], runtime: false},
       {:telemetry_metrics, "~> 1.1.0"},
-      {:telemetry_poller, "~> 1.1.0"}
+      {:telemetry_poller, "~> 1.2.0"}
     ]
   end