Update dependency django-maintenance-mode to ^0.19.0

See merge request !1328

Merge branch '924-docs-certain-parts-of-installation-docs-are-missing-in-the-pdf-and-rendered-markdown' into 'master'

Resolve "[Docs] Certain parts of installation docs are missing in the PDF and rendered markdown"

Closes #924

See merge request !1327

Resolve "Fix calendar refetch for use with Luxon"

Closes #922

See merge request !1324

Resolve "Two migrations with 0053_... prefix exist"

Closes #917

See merge request !1322

Translations update from Weblate

See merge request !1306

Resolve "Calendar event detail view is not properly updated on refresh"

Closes #915

See merge request !1318

Add allauth middleware

See merge request !1319

Resolve "Fix default values for first time mode in calendar"

Closes #916

See merge request !1320

Translations update from Weblate

See merge request !1317

Currently translated at 100.0% (226 of 226 strings)

Translation: AlekSIS/AlekSIS-Core-Frontend
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-core-frontend/de/

Translated using Weblate (English)

See merge request !1316

Refactor calendar overview in more different components

See merge request !1304

Currently translated at 100.0% (219 of 219 strings)

Translation: AlekSIS/AlekSIS-Core-Frontend
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-core-frontend/ru/

Currently translated at 100.0% (219 of 219 strings)

Translation: AlekSIS/AlekSIS-Core-Frontend
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-core-frontend/uk/

Currently translated at 99.5% (218 of 219 strings)

Translation: AlekSIS/AlekSIS-Core-Frontend
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-core-frontend/en/

Resolve "Add Organisation model"

Closes #712

See merge request !1089

Update dependency graphene-django to >=3.0.0, <=3.1.5

See merge request !1305

Update dependency django-timezone-field to v6

See merge request !1309

Update dependency django-allauth to ^0.56.0

See merge request !1310

Fix simple print layout to not include an additional blank page

See merge request !1315

This magic number adjustment is due to a very ugly bug in Chromium.