fix: minor formatting fix

Author: solnic

test/sentry/logger_handler_test.exs

@@ -671,8 +671,7 @@ defmodule Sentry.LoggerHandlerTest do
               %ArgumentError{
                 message:
                   ":sync_threshold and :discard_threshold cannot be used together, one of them must be nil"
-              },
-              _}}} =
+              }, _}}} =
              :logger.update_handler_config(
                @handler_name,
                :config,