Update readme and Cargo.toml #1279

Job	Run time
test_other_archs (powerpc-unknown-linux-gnu)	4m 11s
test_features	16s
test_other_archs (i686-unknown-linux-gnu)	2m 12s
test_features (default)	2m 14s
Fuzz targets (afl)	1m 59s
test_features (rayon)	24s
Fuzz targets (cargo-fuzz)	6m 16s
clippy	1m 28s
test_features (avif)	1m 11s
test_features (bmp)	39s
public_private_dependencies	24s
test_avif_decoding	1m 22s
test_features (dds)	32s
test_toolchains (1.67.1)	54s
test_features (exr)	43s
test_toolchains (nightly)	1m 52s
test_features (ff)	28s
build_benchmarks	52s
test_features (gif)	48s
test_toolchains (beta)	2m 10s
test_features (hdr)	22s
cargo-deny	20s
test_features (ico)	25s
rustfmt	12s
test_features (jpeg)	25s
test_features (png)	28s
test_features (pnm)	25s
test_features (qoi)	39s
test_features (tga)	27s
test_features (tiff)	49s
test_features (webp)	29s
	35m 56s

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