fix(config): create parent dir when writing config file

Author: psychedelicious

invokeai/app/services/config/config_default.py

@@ -230,6 +230,7 @@ def write_file(self, dest_path: Path, as_example: bool = False) -> None:
         Args:
             dest_path: Path to write the config to.
         """
+        dest_path.parent.mkdir(parents=True, exist_ok=True)
         with open(dest_path, "w") as file:
             # Meta fields should be written in a separate stanza - skip legacy_models_yaml_path
             meta_dict = self.model_dump(mode="json", include={"schema_version"})