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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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matching the current launch configuration.
    version_added: "1.8"
    type: list
    elements: str
  lc_check:
    description:
      - Check to make sure instances that are being replaced with I(replace_instances) do not already have the current I(launch_config).
    version_added: "1.8"
    default: true
    type: bool
  lt_check:
    description:
      - Check to make sure instances that are being replaced with I(replace_instances) do not already have the current
        I(launch_template or I(launch_template) I(version).
    version_added: "2.8"
    default: true
    type: bool
  vpc_zone_identifier:
    description:
      - List of VPC subnets to use
    type: list
    elements: str
  tags:
    description:
      - A list of tags to add to the Auto Scale Group.
      - Optional key is I(propagate_at_launch), which defaults to true.
      - When I(propagate_at_launch) is true the tags will be propagated to the Instances created.
    version_added: "1.7"
    type: list
    elements: dict