feat: Add support for efa-only interface types

[bryantbiggs]

Description

• Add support for efa-only interface types
  • Ref https://aws.amazon.com/about-aws/whats-new/2024/10/aws-efa-updates-scalability-ai-ml-applications/

From here:

Relations

Closes #39891.

Output from Acceptance Testing

% make testacc TESTS=TestAccXXX PKG=ec2

...

[github-actions]

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[ewbankkit]

LGTM 🚀.

[ewbankkit]

@bryantbiggs Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v5.74.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

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[github-actions]

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