relevant changelogs:

- https://github.com/xi/django-mfa3/blob/main/CHANGES.md
- https://github.com/zostera/django-bootstrap5/blob/main/CHANGELOG.md
- https://blog.getbootstrap.com/2022/11/22/bootstrap-5-2-3/

Deployment Guide (squashed and rebased)

See merge request !2421

allow to disable appointment reminders

See merge request !2453

- included MFA and django-axes in settings
- updated/re-wrote parts of example_2/README.md
- renamed systemd units to ease cognitive load (this allows things like
  `systemct status castellum` etc.)
- adhere to styleguide

 On branch deployment_docs-2
 Changes to be committed:
	modified:   docs/deployment/README.md
	modified:   docs/deployment/example_2/README.md
	modified:   docs/deployment/example_2/castellum.conf
	renamed:    docs/deployment/example_2/gunicorn-castellum.service -> docs/deployment/example_2/castellum.service
	renamed:    docs/deployment/example_2/gunicorn-castellum.socket -> docs/deployment/example_2/castellum.socket
	modified:   docs/deployment/example_2/settings.py

Update branch w/recent changes from main

rm AnonymousInvitationMailRecruitmentView

See merge request !2452

fixup 6d188713

support transitive legal representatives

See merge request !2450

more compact display of availability

See merge request !2451

see https://github.com/savoirfairelinux/flake8-copyright/pull/20

Translations

See merge request !2449

update dependencies

See merge request !2448