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##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
Add support for `MaxInstanceLifetime` option to AWS ec2_asg module.
AWS feature introduction link: https://aws.amazon.com/about-aws/whats-new/2019/11/amazon-ec2-auto-scaling-supports-max-instance-lifetime/

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ec2_asg

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->
Usage example:
<!--- Paste example playbooks or commands between quotes below -->
```yaml
- ec2_asg:
    name: myasg
    region: us-east-1
    launch_config_name: my_new_lc
    min_size: 1
    max_size: 5
    desired_capacity: 3
    max_instance_lifetime: 604800  # seconds
```

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pg = connection.get_paginator('describe_auto_scaling_groups')
    return pg.paginate(AutoScalingGroupNames=[group_name]).build_full_result().get('AutoScalingGroups', [])
@AWSRetry.backoff(**backoff_params)
def deregister_lb_instances(connection, lb_name, instance_id):
    connection.deregister_instances_from_load_balancer(LoadBalancerName=lb_name, Instances=[dict(InstanceId=instance_id)])
@AWSRetry.backoff(**backoff_params)
def describe_instance_health(connection, lb_name, instances):
    params = dict(LoadBalancerName=lb_name)
    if instances:
        params.update(Instances=instances)
    return connection.describe_instance_health(**params)
@AWSRetry.backoff(**backoff_params)
def describe_target_health(connection, target_group_arn, instances):