CI: (deps): Bump the coredeps group across 1 directory with 2 updates

Bumps the coredeps group with 2 updates in the /ci directory: [numpy](https://github.com/numpy/numpy) and [netcdf4](https://github.com/Unidata/netcdf4-python).


Updates `numpy` from 2.4.0 to 2.4.1
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](numpy/numpy@v2.4.0...v2.4.1)

Updates `netcdf4` from 1.7.3 to 1.7.4
- [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: numpy
  dependency-version: 2.4.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: coredeps
- dependency-name: netcdf4
  dependency-version: 1.7.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: coredeps
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

ci/extra_requirements.txt

@@ -1,2 +1,2 @@
-netCDF4==1.7.3
+netCDF4==1.7.4
 xarray==2025.12.0

ci/requirements.txt

@@ -1,5 +1,5 @@
 beautifulsoup4==4.14.3
-numpy==2.4.0
+numpy==2.4.1
 pandas==2.3.3
 protobuf==6.32.1
 requests==2.32.5