Feature summary (what you would like to be able to do and where):

Add support for uploading Flickr files with Creative Commons license version 4.0. Flickr is rolling out the license in June 2025: https://blog.flickr.net/en/2025/06/18/creative-commons-4-0-has-arrived-on-flickr/

Use case(s) (list the steps that you performed to discover that problem, and describe the actual underlying problem which you want to solve. Do not describe only a solution):

Until June 2025 Flickr had supported CC licenses version 2 only.
The UploadWizard should detect the CC version 4.0 correctly