Update suppressing errors to warn message (#244)

Update supressing errors to warn message

consumer.go

@@ -65,7 +65,7 @@ loop:
 			if err != nil {
 				if errors.Is(err, context.Canceled) {
 					// Suppress expected errors during shutdown
-					zap.S().Info("ReceiveMessage interrupted due to context cancellation")
+					zap.S().Warn("ReceiveMessage interrupted due to context cancellation")
 					continue
 				}
 				zap.S().With(zap.Error(err)).Error("could not receive messages from SQS")