#97 Make python3 invokactions more explicit and use more Django 5 conventions

Zlúčené

benw mergnuté 4 commitov z benw/django5-conventions do LiveLike/master 5 mesiacov pred

Autor	SHA1 Správa	Dátum
HELLO WORLD Ben Wilber	a516362b5a Update the admin.py to use the newer Django 5 conventions.	5 mesiacov pred
HELLO WORLD Ben Wilber	c0ba6e10ac Always invoke `python3` explicitly since that is the standard convention and stops warnings in macOS about Python 2 deprecation.	5 mesiacov pred
HELLO WORLD Ben Wilber	5c9293db3f Add migration for switching to BigAutoField	5 mesiacov pred
HELLO WORLD Ben Wilber	97917211fb Upgrade to latest Django version 5.1.3	5 mesiacov pred