Merge branch '709-celery-progress-doesn-t-show-status-messages-between-last-progress-and-the-success-poll' into 'master'

Resolve "celery-progress doesn't show status messages between last PROGRESS and the SUCCESS poll"

Closes #709

See merge request !1063

Resolve "Set width of tab-icons to 100%"

Closes #707

See merge request !1060

Prepare release 2.10

See merge request !1057

Resolve "Selenium forgot about `find_element_by_xpath`"

Closes #706

See merge request !1056

[Docs] Fix handbook for 2022.6 release

See merge request !1054

Translations update from Weblate

See merge request !1038

Currently translated at 99.4% (687 of 691 strings)

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

Currently translated at 100.0% (691 of 691 strings)

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

Update dependency django-allauth to ^0.51.0

See merge request !1055

Update translation files

See merge request !1050

Update dependency django-bleach to v3

See merge request !1026

Update dependency django-allauth to ^0.50.0

See merge request !953

Update dependency license-expression to v30

See merge request !1037

Resolve "Safari on iOS uses favicon on home screen"

Closes #705

See merge request !1053

Resolve "Add user handbook for PWA usage"

Closes #613

See merge request !1018

Resolve "Replace model icon choices with new icon set"

Closes #674

See merge request !1048

Develop NotUpdatedIconChoicesDataCheckBuilder to dynamically create data checks for the new icon choices

Translations update from Weblate

See merge request !1039