Merge branch 'master' into 115-person-overview-implement-multiple-selection-for-marking-absences-as-excused-or-for-deleting

Resolve "[My students] Students lists aren't sorted alphabetically"

Closes #154

See merge request !181

Merge branch 'master' into 115-person-overview-implement-multiple-selection-for-marking-absences-as-excused-or-for-deleting

Fix migrations (replace JSON field etc.)

See merge request !186

Update poetry.lock

See merge request !187

Fix queries for dates with generate_list_of_all_register_objects

See merge request !185

Merge branch '158-back-button-in-lesson-view-should-redirect-to-the-person-s-week-view' into 'master'

Resolve "Back button in lesson view should redirect to the person's week view"

Closes #158

See merge request !180

Use render_pdf to generate full register printout

See merge request !179

Merge branch '139-lesson-topic-not-carried-to-previous-lesson-if-entered-in-second-lesson-of-a-block' into 'master'

Resolve "Lesson topic not carried to previous lesson if entered in second lesson of a block"

Closes #139

See merge request !169

Merge branch 'master' into 139-lesson-topic-not-carried-to-previous-lesson-if-entered-in-second-lesson-of-a-block

Merge branch master into branch 115-person-overview-implement-multiple-selection-for-marking-absences-as-excused-or-for-deleting

Denote Teckids e.V. as licensor as defined by EUPL

See merge request !178