feat: Add support for traffic source attachment

[bryantbiggs]

Description

• Add support for traffic source attachment

Motivation and Context

• This allows users to direct traffic from various networking components (ALB, CLB, VPC Lattice, Gateway LB, etc.) to instances created within the autoscaling group

Breaking Changes

• No

How Has This Been Tested?

• [x] I have updated at least one of the examples/* to demonstrate and validate my change(s)
• [x] I have tested and validated these changes using one or more of the provided examples/* projects
• [x] I have executed pre-commit run -a on my pull request

[antonbabenko]

This PR is included in version 7.2.0 :tada:

[github-actions[bot]]

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