Add optimum NeuronX TGI 0.0.21 image

[dacorvo]

This add the image for the latest NeuronX TGI version, supporting AWS Neuron SDK 2.18.

See the full release note for optimum-neuron 0.0.21:

https://github.com/huggingface/optimum-neuron/releases/tag/v0.0.21

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[amzn-choeric]

AWS CodeBuild CI Report

• CodeBuild project: tgi-pr-inf2
• Commit ID: 0fffa5250a84fc52918407aee0d7a2dc4b7286f7
• Result: FAILED
• Build Logs (available for 30 days)

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[amzn-choeric]

AWS CodeBuild CI Report

• CodeBuild project: tgi-pr-inf2
• Commit ID: 9f32eab1374a77e3405474e9f7efaff9e0f8c024
• Result: SUCCEEDED
• Build Logs (available for 30 days)

Powered by github-codebuild-logs, available on the AWS Serverless Application Repository