YUV in JPEG in fixed point #1721

Job	Run time
build_benchmarks	45s
Fuzz targets (afl)	2m 11s
Fuzz targets (cargo-fuzz)	50s
cargo-deny	18s
cargo-semver-checks	2m 46s
clippy	2m 2s
public_private_dependencies	25s
rustfmt	13s
test_avif_decoding	1m 41s
test_other_archs (powerpc-unknown-linux-gnu)	1m 51s
test_features	40s
test_other_archs (i686-unknown-linux-gnu)	1m 21s
test_toolchains (1.70.0)	28s
test_features (default)	1m 19s
test_toolchains (nightly)	1m 13s
test_features (rayon)	32s
test_toolchains (beta)	1m 5s
test_features (avif)	1m 9s
test_features (bmp)	40s
test_features (dds)	40s
test_features (exr)	53s
test_features (ff)	38s
test_features (gif)	40s
test_features (hdr)	42s
test_features (ico)	49s
test_features (jpeg)	38s
test_features (png)	46s
test_features (pnm)	23s
test_features (qoi)	40s
test_features (tga)	21s
test_features (tiff)	31s
test_features (webp)	26s
	29m 36s

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