rm file-magic

See merge request !2439

-	gets rid of a dependency
-	was not effective to detect file type (especially for text files)

rework display of privacy levels

See merge request !2438

this is especially helpful if you need to assign members to sessions

rm additional_suitability_document

See merge request !2437

update dependencies

See merge request !2436

https://blog.getbootstrap.com/2022/09/07/bootstrap-5-2-1/

see https://github.com/stefanfoulis/django-phonenumber-field/releases/tag/7.0.0

allow to change site title

See merge request !2434

CHANGES for 0.81.0

See merge request !2430

still warn about missing consent after grace period is over

See merge request !2432

test empty date of birth in duplicates view

See merge request !2431

Translations

See merge request !2429

log membership changes in studies

See merge request !2428

remove "review changes" view

See merge request !2398

update dependencies

See merge request !2426

Translations

See merge request !2425

a lot of changes, but nothing really interesting.

-	https://www.alpinelinux.org/posts/Alpine-3.13.12-3.14.8-3.15.6-3.16.2-released.html
-	https://github.com/stefanfoulis/django-phonenumber-field/releases/tag/6.4.0
-	https://github.com/fullcalendar/fullcalendar/releases/tag/v5.11.3
-	https://blog.jquery.com/2022/08/26/jquery-3-6-1-maintenance-release/

update alpine to 3.16

See merge request !2427