Translations update from Weblate

See merge request !134

Currently translated at 100.0% (198 of 198 strings)

Translation: AlekSIS/AlekSIS-App-Alsijil
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-app-alsijil/de/

Update translation files

See merge request !133

Merge branch '133-data-checks-are-also-marking-empty-personal-notes-and-lesson-documentations' into 'master'

Resolve "Data checks are also marking empty personal notes and lesson documentations"

Closes #133

See merge request !132

Resolve "[SQL] Monster query on personal notes"

Closes #128

See merge request !126

Resolve "Full register printout doesn't load in time"

Closes #129

See merge request !127

Resolve "[Week view] Admin can see only their own person in teacher select"

Closes #102

See merge request !130

Update poetry.lock

See merge request !129

[Full register] Remove some superfluous prefetch operations and organise the rest of the prefetching more efficient

The `or` operator puts the QuerySet into boolean context, which
triggers evaluation.

Bump version to next dev cycle

See merge request !125

Release 2.0a3

See merge request !124

Merge branch '125-alsijil-personalnote-extra_marks-fields-w340-null-has-no-effect-on-manytomanyfield' into 'master'

Resolve "alsijil.PersonalNote.extra_marks: (fields.W340) null has no effect on ManyToManyField"

Closes #125

See merge request !123

Fix testsuite

See merge request !121

Resolve "`aleksis-admin yarn install` needs a database"

Closes #126

See merge request !122

Closes #126 — module loading must not have side effects, and
generating the predicates calls the database.

Under normal operation, cache_memoize and/or django-cachalot ensure
the database lookup is not done on every permission check.

Resolve "Add task for checking plausibility of data"

Closes #91

See merge request !92

Update tox.ini. Advances AlekSIS-Core#338

See merge request !119

Update tox.ini. Advances AlekSIS-Core#338

See merge request !118

Update poetry.lock

See merge request !117

Resolve "Add never_cache decorators"

Closes #90

See merge request !116