HDR Decoder: float by default #982

Job	Run time
test_avif	2m 11s
test_big_endian	1m 34s
test_big_endian (default)	3m 16s
build_benchmarks	1m 5s
Fuzz targets (cargo-fuzz)	7m 2s
test_big_endian (webp)	2m 7s
Fuzz targets (afl)	2m 17s
test_big_endian (webp-encoder)	2m 52s
clippy	3m 7s
public_private_dependencies	33s
rustfmt	22s
test_avif_decoding	2m 41s
test_features	50s
test_toolchains (1.61.0)	3m 9s
test_features (default)	1m 44s
cargo-deny	26s
test_toolchains (nightly)	1m 34s
test_features (gif)	45s
test_toolchains (beta)	1m 49s
test_features (jpeg)	52s
test_features (png)	1m 19s
verify_msrv	3m 13s
test_features (tiff)	57s
test_features (ico)	58s
test_features (pnm)	59s
test_features (tga)	1m 0s
test_features (webp)	46s
test_features (bmp)	52s
test_features (hdr)	59s
test_features (dxt)	54s
test_features (dds)	53s
test_features (farbfeld)	43s
test_features (openexr)	1m 27s
test_features (jpeg_rayon)	1m 3s
test_features (webp-encoder)	1m 26s
	57m 45s

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