fix: Reduce the timeout to 3 minutes for the requests wait time in queue.

Since in write api server side we have total timeout of 2 minutes, it does not make sense to wait 15 minutes to determine whether we have met dead connection, let's reduce the timeout here

Author: GaoleMeng

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

@@ -75,7 +75,7 @@ class ConnectionWorker implements AutoCloseable {
  * We will constantly checking how much time we have been waiting for the next request callback
  * if we wait too much time we will start shutting down the connections and clean up the queues.
  */
- static Duration MAXIMUM_REQUEST_CALLBACK_WAIT_TIME = Duration.ofMinutes(15);
+ static Duration MAXIMUM_REQUEST_CALLBACK_WAIT_TIME = Duration.ofMinutes(3);
 
  private Lock lock;
  private Condition hasMessageInWaitingQueue;