[Docs]: aws_lb_target_group_attachment add multiple targets example

[jar-b]

Description

Adds an additional example for the aws_lb_target_group_attachment resource demonstrating how to use the for_each Terraform meta-argument to register multiple targets.

Relations

Relates #9901

Output from Acceptance Testing

N/a docs.

[github-actions]

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[gdavison]

Looks good! 🚀

[github-actions]

This functionality has been released in v5.9.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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