Add shutdown in finally block

Author: abhishekmjain

gobblin-temporal/src/main/java/org/apache/gobblin/temporal/cluster/GobblinTemporalTaskRunner.java

@@ -49,7 +49,6 @@
 import com.typesafe.config.ConfigValueFactory;
 
 import io.temporal.client.WorkflowClient;
-import io.temporal.serviceclient.WorkflowServiceStubs;
 import lombok.Getter;
 import lombok.Setter;
 

gobblin-temporal/src/main/java/org/apache/gobblin/temporal/workflows/service/ManagedWorkflowServiceStubs.java

@@ -39,8 +39,12 @@ public ManagedWorkflowServiceStubs(WorkflowServiceStubs serviceStubs) {
   @Override
   public void close() {
     try {
-      workflowServiceStubs.getOptions().getMetricsScope().close();
-      workflowServiceStubs.shutdown();
+      try {
+        workflowServiceStubs.getOptions().getMetricsScope().close();
+      }
+      finally {
+        workflowServiceStubs.shutdown();
+      }
     }
     catch (Exception e) {
       log.error("Exception occurred while closing ManagedWorkflowServiceStubs", e);