chore(eks): update nodegroup gpu check

[AlexKaracaoglu]

Issue # (if applicable)

Closes #31347.

Reason for this change

The motivating bug is that you cannot add a combo of g5 and a g6 as instance classes onto the same node group or else the following error will be thrown: instanceTypes of different architectures is not allowed.

Description of changes

• (eks) Fixes the isGpuInstanceType check
  • G6/G6E instance classes will now be recognized as GPU instance types so those different types can be used together for a multi instance type managed node group

Description of how you validated changes

Wrote unit tests for the isGpuInstanceType function

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[lpizzinidev]

Thanks 👍

[sumupitchayan]

Thanks for your PR @AlexKaracaoglu - I think adding an Integ test or modifying and existing one to use this new Instance Type would be nice to confirm that it successfully deploys.

Also, can you add a unit test for the isGpuInstanceType function?

[pahud]

Hi @AlexKaracaoglu

Not sure if you are still on it but you can refer to this commit I made
pahud@8fd3db8

[AlexKaracaoglu]

@pahud @sumupitchayan - Appreciate the follow ups, I'll get some changes in later today

[aws-cdk-automation]

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• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
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