Bump xarray from 2024.3.0 to 2025.1.2

Bumps [xarray](https://github.com/pydata/xarray) from 2024.3.0 to 2025.1.2.
- [Release notes](https://github.com/pydata/xarray/releases)
- [Changelog](https://github.com/pydata/xarray/blob/main/HOW_TO_RELEASE.md)
- [Commits](pydata/xarray@v2024.03.0...v2025.01.2)

---
updated-dependencies:
- dependency-name: xarray
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 # This is used to build the CI test environment and so Github can track dependencies.
-xarray==2024.3.0
+xarray==2025.1.2
 pandas==2.2.3
 numpy==1.26.4
 matplotlib==3.10.0