Add IO optimized for Aurora Clusters

[agustingrana]

Is your feature request related to a problem?
Is a cost saving opportunity.

Describe the solution you'd like

https://aws.amazon.com/es/about-aws/whats-new/2023/05/amazon-aurora-i-o-optimized/
https://aws.amazon.com/es/blogs/aws/new-amazon-aurora-i-o-optimized-cluster-configuration-with-up-to-40-cost-savings-for-i-o-intensive-applications/

"Getting Started with Aurora I/O-Optimized
You can create a new database cluster using the Aurora I/O-Optimized configuration or convert your existing database clusters with a few clicks in the AWS Management Console, AWS Command Line Interface (AWS CLI), or AWS SDKs."

We need a field in ACK to manage this configuration.

Describe alternatives you've considered
None.