Merge pull request #431 from ClimateImpactLab/dependabot/pip/pyarrow-21.0.0

Bump pyarrow from 19.0.1 to 21.0.0

Author: brews

requirements.txt

@@ -14,5 +14,5 @@ netcdf4==1.7.2
 h5netcdf==1.6.4
 impactlab-tools==0.6.0
 p_tqdm==1.4.2
-pyarrow==19.0.1
+pyarrow==21.0.0
 numcodecs==0.15.1