YUV in JPEG in fixed point #1722

Job	Run time
test_toolchains (1.70.0)	33s
test_avif_decoding	1m 22s
test_toolchains (nightly)	1m 22s
test_features	32s
test_toolchains (beta)	1m 41s
test_other_archs (powerpc-unknown-linux-gnu)	3m 7s
test_features (default)	1m 47s
test_other_archs (i686-unknown-linux-gnu)	1m 28s
test_features (rayon)	27s
build_benchmarks	48s
test_features (avif)	1m 2s
Fuzz targets (afl)	2m 16s
Fuzz targets (cargo-fuzz)	49s
test_features (bmp)	28s
cargo-deny	20s
test_features (dds)	21s
cargo-semver-checks	47s
test_features (exr)	40s
clippy	2m 0s
test_features (ff)	22s
public_private_dependencies	24s
test_features (gif)	24s
rustfmt	13s
test_features (hdr)	25s
test_features (ico)	32s
test_features (jpeg)	30s
test_features (png)	28s
test_features (pnm)	31s
test_features (qoi)	22s
test_features (tga)	23s
test_features (tiff)	30s
test_features (webp)	25s
	27m 19s

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