MNT: (deps): Bump netcdf4 from 1.6.5 to 1.7.1 in /ci

Bumps [netcdf4](https://github.com/Unidata/netcdf4-python) from 1.6.5 to 1.7.1.
- [Release notes](https://github.com/Unidata/netcdf4-python/releases)
- [Changelog](https://github.com/Unidata/netcdf4-python/blob/master/Changelog)
- [Commits](https://github.com/Unidata/netcdf4-python/commits)

---
updated-dependencies:
- dependency-name: netcdf4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

ci/requirements.txt

@@ -2,7 +2,7 @@ eofs
 python>=3.8
 matplotlib==3.9.0
 numpy==2.0.0
-netcdf4==1.6.5
+netcdf4==1.7.1
 pandas==2.2.2
 erddapy==2.2.0
 pyyaml