feat(fingerprint): VectorWidth config + dequantize_i8_to_f32 #179

Job	Run time
native-backend/stable	45s
nostd/thumbv6m-none-eabi/stable	37s
format/stable	27s
clippy/stable	30s
Pass MSRV values to other jobs	4s
cross_test/s390x-unknown-linux-gnu/stable	1m 49s
cross_test/i686-unknown-linux-gnu/stable	1m 47s
cargo-careful	0s
docs/nightly	0s
miri	0s
blas-msrv	1m 10s
tests/stable	1m 5s
tests/beta	56s
tests/1.64.0	1m 0s
conclusion	0s
	10m 10s

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