There is a download link on the website but it does not support HTTPS:
Your configuration does not allow connections to http://abf-downloads.openmandriva.org/ytdl/youtube-dl-2020.09.20.tar.gz. See http
s://getcomposer.org/doc/06-config.md#secure-http for details.
See https://github.com/github/dmca/blob/master/2020/10/2020-10-23-RIAA.md
There is a download link on the website but it does not support HTTPS: