update protos so we can use the git source for CI

[ahrav]

Description:

These changes allow us to specify the fields necessary to scan Git in CI via a config.yaml.

Checklist:

• Tests passing (make test-community)?
• Lint passing (make lint this requires golangci-lint)?

[bill-rich]

Is this so we can use Chunks rather than doing all the ScanOptions setup manually?

[ahrav]

Is this so we can use Chunks rather than doing all the ScanOptions setup manually?

That wasn't the initial intent but that would work. This was so that we can provide --since-commit and --branch options in a config.yaml for enterprise so we can use the scan subcommand vs the git subcommand. This then allows for results to be displayed in their dashboard as well. Given the git subcommand doesn't connect to the api, but scan does.