feat: support for AMD SEV-SNP

[schniber]

Is your request related to a new offering from AWS?

Is this functionality available in the AWS provider for Terraform? See CHANGELOG.md, too.

• Yes ✅: v4.66.0

Is your request related to a problem? Please describe.

Amazon EC2 now supports AMD Secure Encrypted Virtualization-Secure Nested Paging (AMD SEV-SNP), a feature on AMD EPYC™ processors, on M6a, C6a, and R6a instance types.

Describe the solution you'd like.

Being able to deploy EC2 Instances running AMD Secure Encrypted Virtualization-Secure Nested Paging (AMD SEV-SNP) through this tf module.

Describe alternatives you've considered.

None

Additional context

[antonbabenko]

This issue has been resolved in version 5.1.0 🎉

[github-actions]

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