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)
• 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

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

Additional Notes:

[ts-amz]

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