tiff: Support CMYK images (#2075) #1109

Job	Run time
build_benchmarks	42s
Fuzz targets (afl)	1m 25s
cargo-deny	21s
Fuzz targets (cargo-fuzz)	4m 4s
clippy	2m 7s
public_private_dependencies	20s
test_avif	1m 21s
rustfmt	5s
test_avif_decoding	1m 10s
test_big_endian	1m 9s
test_big_endian (default)	2m 23s
test_toolchains (1.61.0)	1m 59s
test_features	43s
verify_msrv	1m 32s
test_big_endian (webp)	1m 31s
test_toolchains (nightly)	1m 49s
test_features (default)	1m 20s
test_big_endian (webp-encoder)	2m 10s
test_toolchains (beta)	1m 19s
test_features (gif)	39s
test_features (jpeg)	29s
test_features (png)	37s
test_features (tiff)	33s
test_features (ico)	41s
test_features (pnm)	32s
test_features (tga)	37s
test_features (webp)	32s
test_features (bmp)	34s
test_features (hdr)	28s
test_features (dxt)	40s
test_features (dds)	43s
test_features (farbfeld)	28s
test_features (openexr)	39s
test_features (jpeg_rayon)	39s
test_features (webp-encoder)	48s
	37m 9s

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