nx powerpack s3 cache - custom aws environment variable name

[YoonjiJang]

i want to be able to use a different environment names, other than AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY and configure it in nx.json. e.g.

{
  "s3": {
    "region": "us-east-1",
    "bucket": "my-bucket",
    "accessKeyId": "$CUSTOM_AWS_ACCESS_KEY_ID",
    "secretAccessKey": "$CUSTOM_AWS_SECRET_ACCESS_KEY"
  }
}

i have multiple aws credentials for different parts of my ci/cd pipeline. plus, some providers such as netlify reserve the default environment variable names.

it doesn't look like this option is available as of powerpack-s3-cache v1.2.5. it'd be great if this can be added soon.