changed aws_guardduty_feature additional_configuration from list to set

[icco]

Rollback Plan

Not needed.

Changes to Security Controls

No

Description

This is a rebase of #36985.

Description
This changes the aws_guardduty_detector_feature additional_configuration type from a list to a set. This is so that the order of the additional configurations does not matter. Before pushing this fix, if you didn't provide the additional_configurations in the order the AWS API returns them, there would be a force replace on every terraform apply.

I added an additional acceptance test to confirm that the ordering of the additional_configurations doesn't matter and that an empty plan is returned no matter the order.

Relations

Closes #36400

References

Output from Acceptance Testing

% make testacc TESTS=TestAccXXX PKG=ec2

...

[github-actions]

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