Translations update from Weblate

See merge request !41

Currently translated at 100.0% (21 of 21 strings)

Translation: AlekSIS/AlekSIS-App-Kolego-Frontend
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-app-kolego-frontend/de/

Currently translated at 100.0% (21 of 21 strings)

Translation: AlekSIS/AlekSIS-App-Kolego-Frontend
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-app-kolego-frontend/de/

Translations update from Weblate

See merge request !40

Currently translated at 93.7% (15 of 16 strings)

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

Currently translated at 93.7% (15 of 16 strings)

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

Resolve "Remove legacy timezone handling"

Closes #24

See merge request !39

Add translation files

See merge request !38

Fix warning about mutable default arguments

See merge request !37

Resolve "Remove default icon in absence reason chip"

Closes #23

See merge request !36

Resolve "Allow manual passing of absence reasons to chip select"

Closes #21

See merge request !33

Fix queryset for absence calendar event

See merge request !35

Resolve "Create tags for absence reasons"

Closes #20

See merge request !32

Merge branch '22-stop-propagation-of-click-event-of-absence-reason-group-select-to-parent-components' into 'master'

Resolve "Stop propagation of click event of absence reason group select to parent components"

Closes #22

See merge request !34

Resolve "Add default value to absence-reason-chip if none is provided"

Closes #16

See merge request !30

Show dates and datetimes in absences table

See merge request !31

Resolve "Prepend and Append slots in Absencereasonchip"

Closes #14

See merge request !29

Resolve "Create AbsenceReasonButtons"

Closes #13

See merge request !27

Fix some bugs with absence reasons

See merge request !26