feat(autoscaling): add instanceLifecyclePolicy support to AutoScalingGroup Property

[matoom-nomu]

Issue # (if applicable)

None

Reason for this change

AWS Auto Scaling groups now support Instance Lifecycle Policy to control instance behavior during lifecycle events.

• https://aws.amazon.com/about-aws/whats-new/2025/11/ec2-auto-scaling-instance-lifecycle-policy/
• https://docs.aws.amazon.com/autoscaling/ec2/APIReference/API_InstanceLifecyclePolicy.html

Description of changes

Add InstanceLifecyclePolicy interface with RetentionTriggers configuration

Describe any new or updated permissions being added

None

Description of how you validated changes

Added unit tests and integ tests

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

(This review is outdated)

[github-actions]

⚠️ Experimental Feature: This security report is currently in experimental phase. Results may include false positives and the rules are being actively refined.
Please try merge from main to avoid findings unrelated to the PR.

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	Tests	Passed ✅	Skipped	Failed
Security Guardian Results	50 ran	50 passed

Test	Result
No test annotations available

• View Security Guardian Results

[github-actions]

⚠️ Experimental Feature: This security report is currently in experimental phase. Results may include false positives and the rules are being actively refined.
Please try merge from main to avoid findings unrelated to the PR.

---

	Tests	Passed ✅	Skipped	Failed
Security Guardian Results with resolved templates	50 ran	50 passed

Test	Result
No test annotations available

• View Security Guardian Results with resolved templates

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.