feat(docdb): i/o optimized storage type

[badmintoncryer]

Issue # (if applicable)

Closes #30165.

Reason for this change

Document DB can use I/O optimized storage type but CDK cannot configure that.

Description of changes

Add storageType to ClusterProps.

Description of how you validated changes

Add both unit and integ tests.

Checklist

• [x] My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 5a298711b4f375c0383a777abbf7a637c98895bf
• Result: SUCCEEDED
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[aws-cdk-automation]

This PR cannot be merged because it has conflicts. Please resolve them. The PR will be considered stale and closed if it remains in an unmergeable state.

[badmintoncryer]

@comcalvi Thank you for your review! I've addressed your comments.

[mergify[bot]]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[mergify[bot]]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 351d6438f5657394be549906aa8fc819666ff54f
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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[mergify[bot]]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

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