[FEAT] Add input batching for UDFs

[Vince7778]

Lets you specify a batch size for your UDFs, and then inputs are split up into batches of at most that size before being passed in to the UDF.

[codecov]

Codecov Report

Attention: Patch coverage is 89.71963% with 11 lines in your changes missing coverage. Please review.

Project coverage is 63.82%. Comparing base (6821325) to head (fd9184e).
Report is 5 commits behind head on main.

Files	Patch %	Lines
daft/udf.py	92.98%	4 Missing ⚠️
src/daft-dsl/src/functions/python/mod.rs	50.00%	4 Missing ⚠️
src/daft-dsl/src/python.rs	83.33%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2651      +/-   ##
==========================================
+ Coverage   63.79%   63.82%   +0.02%     
==========================================
  Files         972      976       +4     
  Lines      111101   111223     +122     
==========================================
+ Hits        70882    70985     +103     
- Misses      40219    40238      +19     

Files	Coverage Δ
daft/expressions/expressions.py	93.75% <100.00%> (+0.01%)	⬆️
src/daft-dsl/src/functions/python/udf.rs	78.39% <100.00%> (+2.36%)	⬆️
...logical_optimization/rules/push_down_projection.rs	84.07% <100.00%> (+0.04%)	⬆️
src/daft-dsl/src/python.rs	94.08% <83.33%> (-0.32%)	⬇️
daft/udf.py	93.59% <92.98%> (-0.69%)	⬇️
src/daft-dsl/src/functions/python/mod.rs	63.46% <50.00%> (-0.73%)	⬇️

... and 38 files with indirect coverage changes

[jaychia]

Nice!