Django 5 migration

[Iteron-dev]

After updating Python to 3.10, it becomes possible to upgrade Django from 4.2 to 5.x. Considering that Django 4.2 will reach the end of security support on April 30, 2026, upgrading to Django 5 sooner is a good idea.

Since Django 5.2 is expected to be released in April 2025, ensure that the migration to Django 5.1 addresses all features deprecated in Django 5.2. For details, see: https://docs.djangoproject.com/en/dev/releases/5.2/#deprecated-features-5-2.