message: Don't set a frozen object to result.credentials because we modify props later on
diff: @@ -16,7 +16,10 @@ export default async function awsConfig({ roleChain = [] }) {
  let accessKeyId = config.get('aws.config.credentials.AccessKeyId');
  let secretAccessKey = config.get('aws.config.credentials.SecretAccessKey');
  if (accessKeyId || secretAccessKey) {
  - result.credentials = config.get('aws.config.credentials');
  + result.credentials = {
  + accessKeyId,
  + secretAccessKey,
  + };
  }
  let region = config.get('aws.config.region');
  