MFH: r559986
multimedia/dav1d: update to 0.8.1
Changes: https://code.videolan.org/videolan/dav1d/-/tags/0.8.1
Changes: https://code.videolan.org/videolan/dav1d/-/blob/0.8.1/NEWS
Changes: https://code.videolan.org/videolan/dav1d/compare/0.8.0...0.8.1
Reported by: Repology