data_source: ap-southeast-4 (Melbourne)

[PatMyron]

Previous rRegion PRs: #22295, #12967, #13061, #27814, #27855, #27983.

https://github.com/hashicorp/terraform-provider-aws/blob/main/docs/add-a-new-region.md#update-region-specific-values-in-static-data-sources

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Service principal redshift.amazonaws.com replaced hardcoded redshift account IDs

Service principal logdelivery.elasticloadbalancing.amazonaws.com replaced hardcoded elasticloadbalancing account IDs

Relates #29231.
Closes #29271.
Closes #27984.

[github-actions]

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[ewbankkit]

LGTM 🚀.

[ewbankkit]

@PatMyron @bschaatsbergen Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v4.54.0 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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