Chore: Change the code formatter to Ruff (#6756)

* Changing the formatting to ruff-format

* Replaces references to black to ruff or ruff format, removes black from dependencies

src/documents/serialisers.py

@@ -93,7 +93,9 @@ class MatchingModelSerializer(serializers.ModelSerializer):
         owner = (
             data["owner"]
             if "owner" in data
-            else self.user if hasattr(self, "user") else None
+            else self.user
+            if hasattr(self, "user")
+            else None
         )
         pk = self.instance.pk if hasattr(self.instance, "pk") else None
         if ("name" in data or "owner" in data) and self.Meta.model.objects.filter(