feat: cuda/cuvs acceleration for PQ training/assignment

[jacketsj]

blocked by #2816

Benchmarking ongoing on wikipedia-40M early tests indicate that cuvs pq params might need some better tuning

Hardware for testing:

• n1-standard-16
• nvidia T4

[github-actions[bot]]

ACTION NEEDED Lance follows the Conventional Commits specification for release automation.

The PR title and description are used as the merge commit message. Please update your PR title and description to match the specification.

For details on the error please inspect the "PR Title Check" action.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 20.00000% with 12 lines in your changes missing coverage. Please review.

Project coverage is 78.09%. Comparing base (c0e1f15) to head (bca8c82).

Files with missing lines	Patch %	Lines
rust/lance/src/index/vector/ivf.rs	22.22%	5 Missing and 2 partials :warning:
rust/lance/src/index/vector/ivf/builder.rs	0.00%	3 Missing :warning:
rust/lance-index/src/vector/ivf/builder.rs	0.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2853      +/-   ##
==========================================
- Coverage   78.12%   78.09%   -0.04%     
==========================================
  Files         229      229              
  Lines       70492    70497       +5     
  Branches    70492    70497       +5     
==========================================
- Hits        55073    55054      -19     
- Misses      12305    12317      +12     
- Partials     3114     3126      +12     

Flag	Coverage Δ
unittests	78.09% <20.00%> (-0.04%)	:arrow_down:

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[jacketsj]

switched branch, new pr at https://github.com/lancedb/lance/pull/2946