More descriptive error setting non-present attributes

Example:

```
import ifcopenshell

ifc_file = ifcopenshell.file(schema="IFC2X3")
# ifc_file.begin_transaction()

wall = ifc_file.createIfcWall()
wall.Identification = "25"

# Before:
# Traceback (most recent call last):
#   File "test.py", line 4, in <module>
#     wall.Identification = "25"
#     ^^^^^^^^^^^^^^^^^^^
#   File "\ifcopenshell\entity_instance.py", line 279, in __setattr__
#     self[index] = value
#     ~~~~^^^^^^^
#   File "\ifcopenshell\entity_instance.py", line 293, in __setitem__
#     method = self.method_list[idx]
#              ~~~~~~~~~~~~~~~~^^^^^
# IndexError: list index out of range

# or this (if file had a transaction going)
#   File "\ifcopenshell\entity_instance.py", line 279, in __setattr__
#     self[index] = value
#     ~~~~^^^^^^^
#   File "\ifcopenshell\entity_instance.py", line 288, in __setitem__
#     self.wrapped_data.file.transaction.store_edit(self, idx, value)
#   File "\ifcopenshell\file.py", line 101, in store_edit
#     "old": self.serialise_value(element, element[index]),
#                                          ~~~~~~~^^^^^^^
#   File "\ifcopenshell\entity_instance.py", line 283, in __getitem__
#     raise IndexError("Attribute index {} out of range for instance of type {}".format(key, self.is_a()))
# IndexError: Attribute index 4294967295 out of range for instance of type IfcWall

# After:
# Traceback (most recent call last):
#   File "test.py", line 4, in <module>
#     wall.Identification = "25"
#     ^^^^^^^^^^^^^^^^^^^
#   File "ifcopenshell\entity_instance.py", line 283, in __setattr__
#     raise AttributeError(
# AttributeError: entity instance of type 'IFC2X3.IfcWall' has no attribute 'Identification'

```

src/ifcopenshell-python/ifcopenshell/entity_instance.py

@@ -276,7 +276,15 @@ class entity_instance(object):
 
     def __setattr__(self, key: str, value: Any) -> None:
         index = self.wrapped_data.get_argument_index(key)
-        self[index] = value
+        try:
+            self[index] = value
+        except IndexError as e:
+            # get_argument_index returns 0xFFFFFFFF if attribute is not found
+            if index == 0xFFFFFFFF:
+                raise AttributeError(
+                    "entity instance of type '%s' has no attribute '%s'" % (self.wrapped_data.is_a(True), key)
+                )
+            raise e
 
     def __getitem__(self, key: int) -> Any:
         if key < 0 or key >= len(self):