[ie/tva] Fix extractor

[bashonly]

Everything is tvaplus.ca now. Valid (non-DRM) qub.ca URLs will redirect to their new tvaplus.ca counterparts, and the old videos.tva.ca URLs are all dead and redirect to the tvaplus.ca homepage. There is also now QUB VRAI, which is completely DRM-protected, and has been added to yt_dlp.extractor.unsupported as such.

Closes #10555

Template

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• Fix or improvement to an extractor (Make sure to add/update tests)