[PERF] Iceberg Truncate Transform

[samster25]

• Iceberg Truncate Transform following the spec here https://iceberg.apache.org/spec/#truncate-transform-details

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (9703c15) 84.77% compared to head (95612ba) 84.73%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1783      +/-   ##
==========================================
- Coverage   84.77%   84.73%   -0.05%     
==========================================
  Files          55       55              
  Lines        5597     5614      +17     
==========================================
+ Hits         4745     4757      +12     
- Misses        852      857       +5     

Files	Coverage Δ
daft/series.py	92.57% <100.00%> (-0.18%)	⬇️
daft/iceberg/iceberg_scan.py	0.00% <0.00%> (ø)

... and 4 files with indirect coverage changes