feat(rds): Add postgres to supported blue green engines

[0x91]

Description

AWS have announced support for postgres engines for Blue/Green deployments: https://aws.amazon.com/about-aws/whats-new/2023/10/amazon-rds-blue-green-deployments-aurora-rds-postgresql/

Relations

Closes #0000

References

Output from Acceptance Testing

% make testacc TESTS=TestAccXXX PKG=ec2

...

[github-actions]

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[0x91]

I'll run the test suite and post the output shortly.

[0x91]

OK having trouble running the full acceptance suite within our environment as we do not have default VPCs. Will see if I can, but given the nature of this change it feels OK to skip?

[ewbankkit]

LGTM 🚀.

[ewbankkit]

@0x91 Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v5.25.0 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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