fix http dependency in CancelBatchJobTransportAction

Signed-off-by: Bhavana Ramaram <rbhavna@amazon.com>

Author: rbhavna

plugin/src/main/java/org/opensearch/ml/action/tasks/CancelBatchJobTransportAction.java

@@ -15,7 +15,7 @@
 import java.util.Map;
 import java.util.Optional;
 
-import org.apache.hc.core5.http.HttpStatus;
+import org.apache.http.HttpStatus;
 import org.opensearch.OpenSearchException;
 import org.opensearch.OpenSearchStatusException;
 import org.opensearch.ResourceNotFoundException;