Pin cosmos xenna (#976)

Signed-off-by: Dong Hyuk Chang <donghyukc@nvidia.com>

Author: thomasdhc

ray-curator/pyproject.toml

@@ -24,7 +24,7 @@ requires-python = ">=3.10,<3.13"
 dependencies = [
     "absl-py>=2.0.0,<3.0.0",
     "comment_parser",
-    "cosmos-xenna",
+    "cosmos-xenna==0.1.2",
     "fsspec",
     "jieba==0.42.1",
     "loguru",