chore: fix coverage config

Author: MikaAK

.github/workflows/coverage.yml

@@ -35,7 +35,7 @@ jobs:
         run: mix deps.get
 
       - name: Compile Project
-        run: mix compile
+        run: mix compile --warnings-as-errors
 
       - name: Run Coveralls
         run: mix coveralls.json

.github/workflows/credo.yml

@@ -35,7 +35,7 @@ jobs:
         run: mix deps.get
 
       - name: Compile Project
-        run: mix compile
+        run: mix compile --warnings-as-errors
 
       - name: Run Credo
         run: mix credo

.github/workflows/dialyzer.yml

@@ -36,7 +36,7 @@ jobs:
         run: mix deps.get
 
       - name: Compile Project
-        run: mix compile
+        run: mix compile --warnings-as-errors
 
       - name: Run Dialyzer
         run: mkdir -p dialyzer && mix dialyzer

mix.exs

@@ -11,12 +11,17 @@ defmodule Pinecone.MixProject do
       deps: deps(),
       docs: docs(),
       package: package(),
+
+      test_coverage: [tool: ExCoveralls],
+
       preferred_cli_env: [
-        dialyzer: :test
-      ],
-      elixirc_options: [
-        warnings_as_errors: true
+        dialyzer: :test,
+        coveralls: :test,
+        "coveralls.detail": :test,
+        "coveralls.post": :test,
+        "coveralls.html": :test
       ],
+
       dialyzer: [
         plt_add_apps: [:ex_unit, :mix, :credo],
         list_unused_filters: true,