fix: correctly access application config

Author: icehaunter

lib/otel_metric_exporter/otel_api.ex

@@ -56,7 +56,7 @@ defmodule OtelMetricExporter.OtelApi do
 
   def defaults,
     do:
-      Application.get_env(:otel_metric_exporter, __MODULE__, [])
+      Application.get_all_env(:otel_metric_exporter)
       |> Map.new()
       |> Map.take(Keyword.keys(@public_options))
 

mix.exs

@@ -6,7 +6,7 @@ defmodule OtelMetricExporter.MixProject do
       app: :otel_metric_exporter,
       name: "OTel Metric Exporter",
       description: "An unofficial OTel-compatible metric exporter",
-      version: "0.3.1",
+      version: "0.3.2",
       elixir: "~> 1.17",
       start_permanent: Mix.env() == :prod,
       source_url: "https://github.com/electric-sql/elixir-otel-metric-exporter",