refactor(rust): Feature gate for list arithmetic

[nameexhaustion]

Make this opt-in as _finish_impl is monomorphized over every DataType x NumericOp combination

 File  .text    Size          Crate Name
 0.1%   0.4% 92.7KiB            std core::panicking::panic_const::panic_const_rem_by_zero
 0.1%   0.4% 83.5KiB   polars_arrow atoi_simd::parse_skipped
 0.1%   0.4% 78.2KiB    polars_core polars_core::fmt::<impl core::fmt::Debug for polars_core::series::Series>::fmt
 0.1%   0.2% 42.9KiB   polars_arrow atoi_simd::parse_skipped
 0.1%   0.2% 38.9KiB    polars_core polars_core::series::arithmetic::list_borrowed::inner::BinaryListNumericOpHelper::_finish_impl
 0.1%   0.2% 38.9KiB    polars_core polars_core::series::arithmetic::list_borrowed::inner::BinaryListNumericOpHelper::_finish_impl
 0.0%   0.2% 38.4KiB    polars_core polars_core::series::arithmetic::list_borrowed::inner::BinaryListNumericOpHelper::_finish_impl
 0.0%   0.2% 38.4KiB    polars_core polars_core::series::arithmetic::list_borrowed::inner::BinaryListNumericOpHelper::_finish_impl
 0.0%   0.2% 38.4KiB    polars_core polars_core::series::arithmetic::list_borrowed::inner::BinaryListNumericOpHelper::_finish_impl
 0.0%   0.2% 38.4KiB    polars_core polars_core::series::arithmetic::list_borrowed::inner::BinaryListNumericOpHelper::_finish_impl
 0.0%   0.2% 38.4KiB    polars_core polars_core::series::arithmetic::list_borrowed::inner::BinaryListNumericOpHelper::_finish_impl
 0.0%   0.2% 38.2KiB    polars_core polars_core::series::arithmetic::list_borrowed::inner::BinaryListNumericOpHelper::_finish_impl
 0.0%   0.2% 36.2KiB           rand <rand_chacha::chacha::ChaCha12Core as rand_core::block::BlockRngCore>::generate
 0.0%   0.1% 28.4KiB   polars_arrow atoi_simd::parse_skipped
 0.0%   0.1% 28.4KiB   polars_arrow atoi_simd::parse_skipped

[codecov]

Codecov Report

Attention: Patch coverage is 96.02076% with 23 lines in your changes missing coverage. Please review.

Project coverage is 79.99%. Comparing base (d52e13e) to head (302c98f).
Report is 48 commits behind head on main.

Files with missing lines	Patch %	Lines
...polars-core/src/series/arithmetic/list_borrowed.rs	96.02%	23 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #19237      +/-   ##
==========================================
- Coverage   80.00%   79.99%   -0.01%     
==========================================
  Files        1527     1527              
  Lines      209203   209211       +8     
  Branches     2415     2415              
==========================================
- Hits       167371   167368       -3     
- Misses      41284    41295      +11     
  Partials      548      548              

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