exclude hf token from serialization

Author: sysradium

src/distilabel/utils/serialization.py

@@ -194,7 +194,7 @@ def _model_dump(self, obj: Any, **kwargs: Any) -> Dict[str, Any]:
         """
         # Any parameter named api_key will be excluded from the dump (those are supposed to be SecretStr anyway,
         # and will remove them afterwards)
-        dump = obj.model_dump(exclude="api_key", **kwargs)
+        dump = obj.model_dump(exclude=("api_key", "token"), **kwargs)
 
         # Check if any attribute in value within the `dump` is an `EnumType`,
         # as it needs a specific serialization.