[FEAT] 1606 - Adding hour expression in date util

[subygan]

Adds dt_hour() Expression to fetch hour of the current day in a column. Based on, #1606

[codecov]

Codecov Report

Merging #1637 (418dc1e) into main (c2d4c23) will increase coverage by 0.13%.
Report is 10 commits behind head on main.
The diff coverage is 75.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1637      +/-   ##
==========================================
+ Coverage   84.88%   85.02%   +0.13%     
==========================================
  Files          55       55              
  Lines        5287     5314      +27     
==========================================
+ Hits         4488     4518      +30     
+ Misses        799      796       -3     

Files	Coverage Δ
daft/series.py	92.38% <100.00%> (+0.04%)	⬆️
daft/expressions/expressions.py	90.85% <50.00%> (-0.24%)	⬇️

... and 7 files with indirect coverage changes

[samster25]

You shouldn't have to unwrap the UInt32Array::new and then wrap it in Ok. You should be able to return the result from UInt32Array::new directly!

UInt32Array::new(
            std::sync::Arc::new(Field::new(self.name(), DataType::UInt32)),
            Box::new(date_arrow),
        )

[subygan]

Yea, not sure what I was thinking. Fixing it now.

[samster25]

looks great!