Use new start method for retry start in nats-server crate

Signed-off-by: Tomasz Pietrek <tomasz@synadia.com>

Author: Jarema

nats-server/src/lib.rs

@@ -367,7 +367,7 @@ mod tests {
         let jetstream = async_nats::jetstream::new(client);
 
         let retry_strategy = tokio_retry::strategy::ExponentialBackoff::from_millis(500).take(3);
-        let mut stream = tokio_retry::Retry::spawn(retry_strategy, || {
+        let mut stream = tokio_retry::Retry::start(retry_strategy, || {
             jetstream.create_stream(async_nats::jetstream::stream::Config {
                 name: "replicated".to_string(),
                 num_replicas: 3,