Bump h5netcdf from 1.3.0 to 1.4.0

Bumps [h5netcdf](https://github.com/h5netcdf/h5netcdf) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/h5netcdf/h5netcdf/releases)
- [Changelog](https://github.com/h5netcdf/h5netcdf/blob/main/CHANGELOG.rst)
- [Commits](h5netcdf/h5netcdf@v1.3.0...v1.4.0)

---
updated-dependencies:
- dependency-name: h5netcdf
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -11,7 +11,7 @@ pytest-cov==5.0.0
 zarr==2.18.3
 ruff==0.6.8
 netcdf4==1.7.0
-h5netcdf==1.3.0
+h5netcdf==1.4.0
 impactlab-tools==0.6.0
 p_tqdm==1.4.2
 pyarrow==17.0.0