[DEV-14150] Add partitioning and enable CDF on transaction_download

[sethstoudenmier]

Description:

Enabled change data feed (CDF) on the rpt.transaction_download table and adds partitioning.

Technical Details:

Allows for handling of CDF and partitioning when providing the schema for a table as a StructType.

Requirements for PR Merge:

1. N/A Unit & integration tests updated
2. API documentation updated (examples listed below)
   1. API Contracts
   2. API UI
   3. Comments
3. N/A Data validation completed (examples listed below)
   1. Does this work well with the current frontend? Or is the frontend aware of a needed change?
   2. Is performance impacted in the changes (e.g., API, pipeline, downloads, etc.)?
   3. Is the expected data returned with the expected format?
4. N/A Appropriate Operations ticket(s) created
5. Jira Ticket(s)
   1. DEV-14150

Explain N/A in above checklist:

There is no data for the transaction_download table yet and thus no new tests were added.