feat: increase timeout waiting for done callback from 2 minutes to 5 … (

#1682)

* feat: increase timeout waiting for done callback from 2 minutes to 5 minutes

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/StreamWriter.java

@@ -491,7 +491,7 @@ private void appendLoop() {
     // We can close the stream connection and handle the remaining inflight requests.
     if (streamConnection != null) {
       this.streamConnection.close();
-      waitForDoneCallback(2, TimeUnit.MINUTES);
+      waitForDoneCallback(5, TimeUnit.MINUTES);
     }
 
     // At this point, there cannot be more callback. It is safe to clean up all inflight requests.