Bump openpyxl from 3.1.3 to 3.1.4 (#348)

Bumps [openpyxl](https://openpyxl.readthedocs.io) from 3.1.3 to 3.1.4.

---
updated-dependencies:
- dependency-name: openpyxl
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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requirements.txt

@@ -28,7 +28,7 @@ more-itertools==10.3.0
     # via maus
 numpy==1.26.4
     # via pandas
-openpyxl==3.1.3
+openpyxl==3.1.4
     # via kohlrahbi (pyproject.toml)
 packaging==24.0
     # via marshmallow