[Improvement-17724][TaskPlugin] EmrTask resource leak repair

Author: niumy

dolphinscheduler-task-plugin/dolphinscheduler-task-emr/src/main/java/org/apache/dolphinscheduler/plugin/task/emr/AbstractEmrTask.java

@@ -119,9 +119,8 @@ public void handle(TaskCallBack taskCallBack) throws TaskException {
 
             // keep tracking application status
             trackApplicationStatus();
-        } catch (Exception e) {
-            throw new RuntimeException(e);
         } finally {
+            // shutdown emrclient
             if (emrClient != null) {
                 emrClient.shutdown();
             }