feat: support between sql clauses

[connellPortrait]

This adds support for the sql col BETWEEN x AND y clause

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 94.62366% with 10 lines in your changes missing coverage. Please review.

Project coverage is 78.53%. Comparing base (ef9d0c2) to head (725f9fa).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
rust/lance-index/src/scalar/expression.rs	92.39%	6 Missing and 1 partial ⚠️
rust/lance-datafusion/src/planner.rs	96.80%	0 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3225      +/-   ##
==========================================
+ Coverage   78.45%   78.53%   +0.07%     
==========================================
  Files         244      245       +1     
  Lines       84554    84998     +444     
  Branches    84554    84998     +444     
==========================================
+ Hits        66333    66749     +416     
- Misses      15418    15431      +13     
- Partials     2803     2818      +15     

Flag	Coverage Δ
unittests	78.53% <94.62%> (+0.07%)	⬆️

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[westonpace]

I took a look and the good news is that your code all seems right.

The bad news was that Datafusion was rewriting the BETWEEN into a pair of <= and >= operators anyways 😆

So I went ahead and added the optimization in the scalar index parsing to detect anything that looks like a between and make sure we are collapsing into a single query.

[westonpace]

Feel free to test this out and let me know if it helps your original issue.