Log Message:
py-django-import-export: updated to 4.0.2

4.0.2 (2024-05-13)

fix export with custom column name (1821)
fix allow column_name to be declared in fields list (1822)
fix clash between key_is_id and use_natural_foreign_keys (1824)
remove unreachable code (1825)
fix issue with widget assignment for custom ForeignKey subclasses (1826)
performance: select of valid pks for export restricted to action exports (1827)
fix crash on export with custom column name (1828)
remove outdated datetime formatting logic (1830)