Commit e9fdb9ad for libheif

commit e9fdb9ad5ea680ea69bf5d3222a60de14ebc8223
Merge: 78b08e21 6929ee1c
Author: Dirk Farin <dirk.farin@gmail.com>
Date:   Thu Jun 25 14:24:42 2026 +0200

    Merge PR #1846: Enable FFmpeg AV1/VVC/JPEG/JPEG2000 decode

    Adds FFmpeg decode support for AV1, VVC, JPEG and JPEG2000 (gated on the
    respective decoder being available in the linked FFmpeg). Followed by a
    fix to interpret the JPEG2000 decoder's rgb24 output as YCbCr.