Fix YUV 4:2:0, 4:2:2 large strides #1718

Job	Run time
Fuzz targets (afl)	2m 15s
Fuzz targets (cargo-fuzz)	56s
build_benchmarks	46s
cargo-deny	16s
cargo-semver-checks	27s
clippy	2m 11s
public_private_dependencies	23s
rustfmt	6s
test_avif_decoding	1m 20s
test_features	45s
test_other_archs (powerpc-unknown-linux-gnu)	2m 44s
test_toolchains (1.70.0)	29s
test_features (default)	1m 48s
test_other_archs (i686-unknown-linux-gnu)	1m 32s
test_toolchains (nightly)	1m 47s
test_features (rayon)	39s
test_toolchains (beta)	1m 44s
test_features (avif)	57s
test_features (bmp)	34s
test_features (dds)	54s
test_features (exr)	54s
test_features (ff)	37s
test_features (gif)	35s
test_features (hdr)	33s
test_features (ico)	36s
test_features (jpeg)	37s
test_features (png)	34s
test_features (pnm)	35s
test_features (qoi)	35s
test_features (tga)	28s
test_features (tiff)	39s
test_features (webp)	36s
	29m 52s

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