GPT-4ALL-J on Inferentia2

**Link to the notebook**
https://github.com/aws/amazon-sagemaker-examples/blob/main/inference/generativeai/llm-workshop/lab8-Inferentia2-gpt4all-j/inferentia2-llm-GPT4allJ.ipynb

**Describe the bug**
Keep getting the following warning:
- Your model is not compiled. Please compile your model before using Inferentia.

and this error:
- ClientError: An error occurred (ValidationException) when calling the CreateEndpointConfig operation: Instance type ml.inf2.8xlarge is not supported for the chosen region. Please choose some other instance type.

**To reproduce**
Same steps as stated in notebook

I have already set my region to us-east-1 for all services, yet I still encounter the error for Inferentia2 instance

Start with the linked inferentia2-llm-GPT4allJ.ipynb and inspect the deployment cells that compile the model and create the endpoint configuration. Reproduce the reported warning and ValidationException in us-east-1; done means the notebook’s Inferentia2 deployment completes without these errors or clearly identifies the unsupported configuration.

Written by the indexing model from the issue text.