add report parameter to filter by dependency type (direct, transitive)

[francescomedina]

Just as from the web interface (as depicted in the image below) you can filter by type of dependency (direct or transitive) could be very useful to have a fossa report CLI parameter that can give the same behavior in output.
Example:

fossa report attribution --format=spdx --type=direct --project=...

Thanks

ì

[github-actions]

Thank you @francescomedina for creating this issue. If this is in regards to a defect, product question or feature request: you should use our support portal at https://support.fossa.com to file a request, as you would receive more immediate support.