graphics/libavif: update to 1.1.0
- Enable LIBYUV after https://github.com/AOMediaCodec/libavif/commit/e82375f55af1
- Drop _BOOL helpers after https://github.com/AOMediaCodec/libavif/commit/f7ce88269830
Changes: https://github.com/AOMediaCodec/libavif/releases/tag/v1.0.4
Reported by: GitHub (watch releases)