Support for 7th gen vm types

[nimeshjm]

Adds support for general purpose and RAM optimized 7th gen vm types.

https://aws.amazon.com/about-aws/whats-new/2023/08/amazon-ec2-m7i-flex-m7i-instances/

https://aws.amazon.com/about-aws/whats-new/2023/09/amazon-ec2-r7iz-instances/

[linux-foundation-easycla[bot]]

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• :white_check_mark: login: nimeshjm / name: Nimesh Manmohanlal (c722dce81ed82d7178e484924124204102ff9841)