[Bug] Incorrect architecture for i4g instance types. Does not use arm image.

[frodeopdahl]

What were you trying to accomplish?

Create a nodegroup that uses the i4g arm based instance types.

What happened?

There is a cloudformation error during creation.

Resource handler returned message: "[i4g.xlarge] is not a valid instance type for requested amiType AL2_x86_64 (Service: Eks, Status Code: 400, Request ID: affade21-12e8-4791-ab8c-59717c732fec)" (RequestToken: 61f9456a-b12d-4f6f-10ab-b12a3656cb47, HandlerErrorCode: InvalidRequest)

How to reproduce it?

Create a nodegroup with an i4g.xlarge instance.

Versions
eksctl version: 0.174.0
kubectl version: v1.29.3
OS: darwin

[github-actions]

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