multimedia/gstreamer1-plugins-svt-av1: unbreak fetch due to tag update
> Fetched file size mismatch (expected 9586152, actual 9585789)
https://gitlab.com/AOMediaCodec/SVT-AV1/-/issues/2136
Reported by: Richard Clayton (via private mail)
(cherry picked from commit d1130853502e640a65ba841a7d7ee3bcb4e0c7a4)