Config backup dir in jobs.yaml for soft retention

[jiang95-dev]

Summary

This PR is a follow up of soft delete in Retention app and ODF app which does the following:

1. Config backup dir in jobs.yaml instead of table properties.
2. Expose fully qualified backup dir in table properties.
3. Append timestamp to the data_manifest.json file.

Changes

• Client-facing API Changes
• Internal API Changes
• Bug Fixes
• New Features
• Performance Improvements
• Code Style
• Refactoring
• Documentation
• Tests

For all the boxes checked, please include additional details of the changes made in this pull request.

Testing Done

• Manually Tested on local docker setup. Please include commands ran, and their output.
• Added new tests for the changes made.
• Updated existing tests to reflect the changes made.
• No tests added or updated. Please explain why. If unsure, please feel free to ask for help.
• Some other form of testing like staging or soak time in production. Please explain.

Updated unit tests.

Additional Information

• Breaking Changes
• Deprecations
• Large PR broken into smaller PRs, and PR plan linked in the description.

For all the boxes checked, include additional details of the changes made in this pull request.