allow warnings on CI

Author: lukaszsamson

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
             otp: 22.3.4.20
             tests_may_fail: false
             check_unused_deps: true
-            warnings_as_errors: true
+            warnings_as_errors: false
           - elixir: 1.13.x
             otp: 24.1.x
             tests_may_fail: false