* Update libavif (v1.0.0-main)
* Update libavif for improved compression and speed
* v1.0.0 deprecates usage of min and max-quantizers; we use `quality` and `qualityAlpha` instead
* Renamed `maxSpeed` to `MAX_EFFORT` for better readability
* Update libavif (v1.0.1-main)
* Refactor variable names for clarity
* Update libaom (v3.7.0)
* Add checks for API return values
* Rename variables for readability
Changes `cqlevel` to `quality`, and `cqAlphaLevel` to `qualityAlpha`
* Minor patches in logic
* Minor patches in lossless calculation
* Add chroma subsampling options to AVIF
* Add skeleton for sharp downsampling param
* Try to use libsharpyuv
* Encoder working, decoder isnt
* Make sure sharpyuv is disabled for decoder
* Add AVIF_LOCAL flags for sharp yuv
* Get AVIF sharp YUV working
* Clean up AVIF makefiles
* AVIF: Make sharpyuv conditional on subsample
* AVIF: Flags to speed up sharpyuv build
* AVIF: Minor refactoring in enc.cpp
* AVIF: Minor refactoring & renaming
* AVIF: Use smart pointers to prevent memory leaks
* AVIF: Minor refactoring
* AVIF: Revert defaultoptions logic change
---------
Co-authored-by: Surma <surma@surma.dev>
Co-authored-by: Jake Archibald <jaffathecake@gmail.com>
