feat(fingerprint): VectorWidth config + dequantize_i8_to_f32 #181

Job	Run time
format/stable	29s
native-backend/stable	51s
Pass MSRV values to other jobs	2s
clippy/stable	28s
cross_test/s390x-unknown-linux-gnu/stable	1m 42s
cross_test/i686-unknown-linux-gnu/stable	1m 41s
nostd/thumbv6m-none-eabi/stable	36s
cargo-careful	-1s
miri	-1s
docs/nightly	-1s
tests/beta	1m 7s
blas-msrv	51s
tests/1.64.0	1m 3s
tests/stable	57s
conclusion	0s
	9m 44s

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