upgrade to django 4.1, fix Project.save() (#880)

projectroles/models.py

@@ -197,13 +197,16 @@ def save(self, *args, **kwargs):
         self._validate_archive()
         # Update full title of self and children
         self.full_title = self._get_full_title()
+        # TODO: Save with commit=False with other args to avoid double save()?
+        super().save(*args, **kwargs)
         if self.type == PROJECT_TYPE_CATEGORY:
             for child in self.children.all():
                 child.save()
         # Update public children
         # NOTE: Parents will be updated in ProjectModifyMixin.modify_project()
-        self.has_public_children = self._has_public_children()
-        super().save(*args, **kwargs)
+        if self._has_public_children():
+            self.has_public_children = True
+            super().save(*args, **kwargs)
 
     def _validate_parent(self):
         """

requirements/base.txt

@@ -8,7 +8,7 @@ setuptools>=67.6.0, <67.7
 packaging>=23.0, <24.0
 
 # Django
-django==4.0.10
+django==4.1.13
 
 # Configuration
 django-environ>=0.10.0, <0.11