feat(backend)!: bump to dj 5.2 lts / py 3.11 (#10730)

* feat(backend): bump to 5.2 lts / python 3.11

This will give us support till 2027-10 (PEP 664)

* bump dependencies

* fix dflt version

* remove 3.9 precaution

* changes for 5.2

* changes for py 3.10

* debug command

* lower crypto again

* another lowering

* fix version string

* lower minimum version to 3.11

* update refs

* fix text

* reaking: remove now unsupported OS

* disable break

* remove temp changes

* fix ruff call

* fix remaining ruff warnings

* remove old arg

* lower allauth reqs

* replace old method

* fix issue with args passing beeing depreceated

* add changelog entries

* bump dependencies a bit further

* fix broken image init for now
might need a refactor

* fix another test

* refactor image name lookup

* mroe refactoring

* ensure str does not cause an issue

* update referenced function

* fix cal sig

* simplify method and add test

* refactor

* ignore wrong typings

* fix deprecated feature

* simplify

* ensure image tests do their job

* simplify

* re-add type check

* fix test

* fix assertations - wonder how long this was broken

* bump to newer versions

* bump deps

* fix assertation

.github/workflows/check_translations.yaml

@@ -9,7 +9,7 @@ on:
       - l10
 
 env:
-  python_version: 3.9
+  python_version: 3.11
 
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