Bug: --only-licenses isn't working

[jochman]

• [x] I have checked for similar issues in the project's issue tracker.
• [x] I have searched closed issues to see if a similar problem was reported before.

Description

The new feature --only-licenses isn't working from pr https://github.com/FHPythonUtils/LicenseCheck/pull/71

Expected Behavior

To have this option.

Actual Behavior

licensecheck --only-licenses mit
licensecheck: error: unrecognized arguments: --only-licenses

System Information

Please provide the following additional information about your system or environment:

• Operating System (OS): MacOS
• OS Version:
• Project Version (if applicable): 2.2024 & master branch (commit 979ded34a87fa6525c2b1dda2d0d29bd166cbdc9)