fix(assetlibraryhistory): expose dynamo capacity as inputs to CFN

[aaronatbissell]

Description

Expose the read/write capacity units so it can be set externally (through the installer)

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Refactor (existing code being refactored)
• [ ] This change includes a documentation update

Submission Checklist

• [x] CI dry-run passing
• [x] Integration tests passing locally
• [x] Change logs generated

Additional Notes:

[ts-amz]

Thank you for your PR, it's on our radar for review.