package/libbluray: bump version to 1.2.1
Reformatted hashes.
Release notes: https://www.videolan.org/news.html#news-2020-10-23
"A minor release of libbluray was pushed today, focused on fixing bugs
and improving the support for UHD Blurays."
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>