Update WorkerWarmupRequest to timeout after 1.5 minutes (#9218)

Author: shreyas-gopalakrishna

src/WebJobs.Script.Grpc/Channel/GrpcWorkerChannel.cs

@@ -573,7 +573,7 @@ public void SendWorkerWarmupRequest()
             {
                 _workerChannelLogger.LogDebug("Sending WorkerWarmupRequest to WorkerProcess with Pid: '{0}'", _rpcWorkerProcess.Id);
 
-                RegisterCallbackForNextGrpcMessage(MsgType.WorkerWarmupResponse, TimeSpan.FromMinutes(1), 1,
+                RegisterCallbackForNextGrpcMessage(MsgType.WorkerWarmupResponse, TimeSpan.FromMinutes(1.5), 1,
                 msg => ProcessWorkerWarmupResponse(msg.Message.WorkerWarmupResponse), HandleWorkerWarmupError);
 
                 var request = new WorkerWarmupRequest()
@@ -1524,4 +1524,4 @@ private void OnTimeout()
             }
         }
     }
-}
+}