Use any() for more efficient model validation

Replaces list comprehension with any() generator expression to
short-circuit on first invalid model instead of iterating all items.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: febus982

sqlalchemy_bind_manager/_repository/base_repository.py

@@ -349,7 +349,7 @@ def _model_pk(self) -> str:
         return primary_keys[0].name
 
     def _fail_if_invalid_models(self, objects: Iterable[MODEL]) -> None:
-        if [x for x in objects if not isinstance(x, self._model)]:
+        if any(not isinstance(x, self._model) for x in objects):
             raise InvalidModelError(
                 "Cannot handle models not belonging to this repository"
             )