Merge pull request #359 from ClimateImpactLab/dependabot/pip/zarr-2.18.4

Bump zarr from 2.18.3 to 2.18.4

Author: brews

requirements.txt

@@ -8,7 +8,7 @@ requests==2.32.3
 statsmodels==0.14.4
 pytest==8.3.4
 pytest-cov==6.0.0
-zarr==2.18.3
+zarr==2.18.4
 ruff==0.8.3
 netcdf4==1.7.2
 h5netcdf==1.4.1