implement From<DynamicImage> for all image types #1103

Job	Run time
build_benchmarks	44s
cargo-deny	20s
Fuzz targets (afl)	1m 27s
Fuzz targets (cargo-fuzz)	4m 17s
clippy	2m 6s
public_private_dependencies	18s
rustfmt	6s
test_avif	1m 9s
test_avif_decoding	1m 19s
test_big_endian	55s
test_toolchains (1.61.0)	1m 33s
test_big_endian (default)	2m 7s
test_features	35s
test_toolchains (nightly)	1m 52s
verify_msrv	1m 17s
test_big_endian (webp)	1m 1s
test_features (default)	1m 13s
test_toolchains (beta)	1m 50s
test_big_endian (webp-encoder)	2m 2s
test_features (gif)	33s
test_features (jpeg)	41s
test_features (png)	37s
test_features (tiff)	34s
test_features (ico)	44s
test_features (pnm)	32s
test_features (tga)	27s
test_features (webp)	42s
test_features (bmp)	35s
test_features (hdr)	26s
test_features (dxt)	26s
test_features (dds)	33s
test_features (farbfeld)	40s
test_features (openexr)	45s
test_features (jpeg_rayon)	42s
test_features (webp-encoder)	1m 1s
	36m 9s

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