Avif YUV decoder, drop dcv, high bit depth #1671

Job	Run time
build_benchmarks	46s
Fuzz targets (afl)	2m 4s
cargo-deny	20s
Fuzz targets (cargo-fuzz)	53s
cargo-semver-checks	26s
clippy	2m 6s
public_private_dependencies	25s
rustfmt	12s
test_avif_decoding	1m 24s
test_features	27s
test_toolchains (1.70.0)	40s
test_features (default)	1m 48s
test_other_archs (powerpc-unknown-linux-gnu)	2m 24s
test_features (rayon)	28s
test_toolchains (nightly)	1m 7s
test_other_archs (i686-unknown-linux-gnu)	1m 27s
test_features (avif)	58s
test_toolchains (beta)	1m 22s
test_features (bmp)	30s
test_features (dds)	16s
test_features (exr)	39s
test_features (ff)	28s
test_features (gif)	25s
test_features (hdr)	28s
test_features (ico)	37s
test_features (jpeg)	21s
test_features (png)	26s
test_features (pnm)	28s
test_features (qoi)	23s
test_features (tga)	23s
test_features (tiff)	36s
test_features (webp)	26s
	25m 43s

Provide feedback