fix: start on autoscaling when terminate instance is enabled

[Aohzan]

Hello

When you have this config:

  autoscaling_schedule = true
  autoscaling_terminate_instances = true

this errors occurs:

[ERROR] TypeError: AutoscalingScheduler.start() got an unexpected keyword argument 'terminate_instances'
Traceback (most recent call last):
  File "/var/task/scheduler/main.py", line 61, in lambda_handler
    getattr(strategy, schedule_action)(