message: clippy fix for 1.58
diff: @@ -85,7 +85,7 @@ async fn validate_topic_request(name: &str, topic_spec: &TopicSpec, metadata: &C
  return Status::new(
  name.to_string(),
  ErrorCode::TopicInvalidName,
  - Some(format!("Invalid topic name: '{}'. Topic name can contain only lowercase alphanumeric characters or '-'.", name.to_string())),
  + Some(format!("Invalid topic name: '{}'. Topic name can contain only lowercase alphanumeric characters or '-'.", name)),
  );
  }
  