code: public void updateDueDate(int taskId, LocalDate dueDate) {
  		getResourceFactory()
  				.getApiResource("/task/" + taskId + "/due_date")
  				.entity(new TaskDueDate(dueDate),
  						MediaType.APPLICATION_JSON_TYPE).put();
  	}
docs: Updates the due date of the task to the given value
  
  @param taskId
  The id of the task
  @param dueDate
  The new due date of the task