CI: (deps): Bump pint from 0.24.4 to 0.25.2 in /ci

Bumps [pint](https://github.com/hgrecco/pint) from 0.24.4 to 0.25.2.
- [Changelog](https://github.com/hgrecco/pint/blob/0.25.2/CHANGES)
- [Commits](hgrecco/pint@0.24.4...0.25.2)

---
updated-dependencies:
- dependency-name: pint
  dependency-version: 0.25.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

ci/requirements.txt

@@ -2,7 +2,7 @@ matplotlib==3.10.7
 numpy==2.2.6
 pandas==2.3.3
 pooch==1.8.2
-pint==0.24.4
+pint==0.25.2
 pyproj==3.7.2
 scipy==1.14.1
 traitlets==5.14.3