fix onboarding_stage range validation

Author: yakser

users/views.py

@@ -302,7 +302,7 @@ def put(self, request: Request, pk):
 
             new_stage = request.data["onboarding_stage"]
 
-            if new_stage not in [None, *range(1, 4)]:
+            if new_stage not in [None, *range(3)]:
                 return Response(
                     status=status.HTTP_400_BAD_REQUEST,
                     data={"error": "Wrong onboarding stage number!"},