RDS: Database Cluster Writer/Reader's DeleteAutomatedBackups

### Describe the feature

In the original `instance_props`, there was a `delete_automated_backups property`. How can we specify that in writer/readers? The `rds.ClusterInstance.provisioned` method doesn't seem to support that.

Related issue: https://github.com/aws/aws-cdk/issues/25898

### Use Case

We need to specify this without using escape hatches.

### Proposed Solution

_No response_

### Other Information

_No response_

### Acknowledgements

- [ ] I may be able to implement this feature request
- [ ] This feature might incur a breaking change

### CDK version used

2.82.1

### Environment details (OS name and version, etc.)

macOS Ventura 13.3.1

Start at the rds.ClusterInstance.provisioned method and compare its writer/reader options with the original instance_props delete_automated_backups property. Done means callers can specify DeleteAutomatedBackups for database cluster writers/readers without using escape hatches; the payload names no specific test file, so locate the relevant RDS cluster-instance tests first.

Written by the indexing model from the issue text.