Ensure network isolation is enabled for AWS SageMaker

Network isolation has been disabled. Network isolation is required for training jobs and models run using resources from AWS Marketplace.

In AWS Console -

1. Sign in to AWS Console and go to the Amazon SageMaker console.
2. Select the Region.
3. In the navigation pane, select Models and then select Create Model.
4. Add the required details and in the Network settings, select Enable network isolation.
5. Select Create model.

In Terraform -

1. In the aws_sagemaker_model resource, set the enable_network_isolation field to true.

References:
https://docs.aws.amazon.com/sagemaker/latest/dg/security_iam_id-based-policy-examples.html#sagemaker-condition-isolation
https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/sagemaker_model#enable_network_isolation