feat: add progress flag to git scans

[dclayton-godaddy]

To help us get this pull request reviewed and merged quickly, please be sure to include the following items:

• Tests (if applicable)
• Documentation (if applicable)
• Changelog entry
• A full explanation here in the PR description of the work done

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Tests
• Other

Backward Compatibility

Is this change backward compatible with the most recently released version? Does it introduce changes which might change the user experience in any way? Does it alter the API in any way?

• Yes (backward compatible)
• No (breaking changes)

Issue Linking

What's new?

• add --progress to git scans to display overall and branch progress
• only call is_binary if chunk is not delete

[rbailey-godaddy]

I like this, but I'd like it better if we tweaked it to eliminate the overhead of converting commits to a list when a progress bar is not requested. That seems like it should be possible...

[rbailey-godaddy]

Thanks for the fix - I like it.