feat!: Django 4

[faucomte97]

Upgrade from Django 3.2 to Django 4.2

• Upgraded all Django-related libraries, and removed the ones that are now installed directly by the common package.
• Updated all URLs to use re_path instead of url
• Replaced ifnotequal with simply if !=
• Replaced ugettext with gettext

---

This change is 

[faucomte97]

Reviewed 9 of 9 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @faucomte97)