### Why do you need this resource or plugin? Please describe. <!-- We'd like to be able to the number of EC2 On-Demand instances is close to the regional vCPU based limit. --> ### Describe the solution you'd like <!-- Need aws_ec2_account_attributes data to check value for max_instances limit. --> ### Additional context <!-- https://docs.aws.amazon.com/cli/latest/reference/ec2/describe-account-attributes.html https://github.com/aquasecurity/cloudsploit/blob/master/plugins/aws/ec2/instanceVcpusLimit.js -->