feat: support hamming clustering

[jackye1995]

Add support for SIMD accelerated pairwise hamming distance computation, and the ability to compute a cluster of binary vectors that are within a given hamming distance threshold, these are considered similar or potentially duplicated vectors of the original representation.

Also expose the feature in python for easy consumption.

[github-actions]

PR Review: feat: support hamming clustering

P1: total_rows silently drops fragments

let total_rows: usize = dataset
    .get_fragments()
    .iter()
    .filter_map(|f| f.metadata().physical_rows)  // silently skips None
    .sum();

If any fragment has physical_rows = None, the total is undercounted. This can lead to incorrect sampling behavior (sampling more than intended, or use_sampling being wrong). Consider using dataset.count_rows(None).await? instead.

[codecov]

Codecov Report

❌ Patch coverage is 80.92158% with 236 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
rust/lance-linalg/src/distance/hamming.rs	85.44%	117 Missing and 6 partials ⚠️
rust/lance/src/index/vector/hamming.rs	71.17%	94 Missing and 19 partials ⚠️

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