py-django: updated to 5.0.5

Django 5.0.5 fixes several bugs in 5.0.4.

Fixed a bug in Django 5.0 that caused a crash of Model.save() when creating an instance of a model with a GeneratedField and providing a primary key
Fixed a compatibility issue encountered in Python 3.11.9+ and 3.12.3+ when validating email max line lengths with content decoded using the surrogateescape error handling scheme
Fixed a bug in Django 5.0 that caused a crash when applying migrations including alterations to GeneratedField such as setting db_index=True on SQLite
Allowed importing aprefetch_related_objects from django.db.models
Fixed a bug in Django 5.0 that caused a migration crash when a GeneratedField was added before any of the referenced fields from its expression definition
Fixed a bug in Django 5.0 that caused a migration crash when altering a GeneratedField referencing a renamed field
Fixed a bug in Django 5.0 where the querysets argument of GenericPrefetch was not required

(adam)