refactor: replace byteorder with the equivalent built-in methods #1108

Job	Run time
cargo-deny	19s
Fuzz targets (afl)	1m 50s
build_benchmarks	43s
Fuzz targets (cargo-fuzz)	4m 6s
clippy	2m 9s
public_private_dependencies	16s
rustfmt	10s
test_avif	1m 4s
test_avif_decoding	1m 5s
test_big_endian	58s
test_features	26s
test_big_endian (default)	2m 12s
test_toolchains (1.61.0)	1m 54s
verify_msrv	1m 25s
test_features (default)	1m 11s
test_big_endian (webp)	1m 18s
test_toolchains (nightly)	1m 45s
test_features (gif)	30s
test_big_endian (webp-encoder)	2m 2s
test_toolchains (beta)	1m 22s
test_features (jpeg)	45s
test_features (png)	47s
test_features (tiff)	32s
test_features (ico)	37s
test_features (pnm)	40s
test_features (tga)	37s
test_features (webp)	28s
test_features (bmp)	30s
test_features (hdr)	28s
test_features (dxt)	26s
test_features (dds)	39s
test_features (farbfeld)	27s
test_features (openexr)	47s
test_features (jpeg_rayon)	39s
test_features (webp-encoder)	58s
	36m 5s

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