Bump the actions group with 3 updates

Bumps the actions group with 3 updates: [pandas](https://github.com/pandas-dev/pandas), [pyarrow](https://github.com/apache/arrow) and [statsmodels](https://github.com/statsmodels/statsmodels).


Updates `pandas` from 2.2.3 to 2.3.1
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](pandas-dev/pandas@v2.2.3...v2.3.1)

Updates `pyarrow` from 20.0.0 to 21.0.0
- [Release notes](https://github.com/apache/arrow/releases)
- [Commits](apache/arrow@apache-arrow-20.0.0...apache-arrow-21.0.0)

Updates `statsmodels` from 0.14.4 to 0.14.5
- [Release notes](https://github.com/statsmodels/statsmodels/releases)
- [Changelog](https://github.com/statsmodels/statsmodels/blob/main/CHANGES.md)
- [Commits](statsmodels/statsmodels@v0.14.4...v0.14.5)

---
updated-dependencies:
- dependency-name: pandas
  dependency-version: 2.3.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
- dependency-name: pyarrow
  dependency-version: 21.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: statsmodels
  dependency-version: 0.14.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,13 +1,13 @@
 numpy==2.2.5
 scipy==1.15.2
 matplotlib==3.10.1
-pandas==2.2.3
+pandas==2.3.1
 patsy==1.0.1
-pyarrow==20.0.0
+pyarrow==21.0.0
 scikit-learn==1.6.1
 scikit-image==0.25.2
 sympy==1.14.0
-statsmodels==0.14.4
+statsmodels==0.14.5
 seaborn==0.13.2
 pytest>=8.3
 sphinx>=8.2