add changelog

Signed-off-by: kalyanr <[email protected]>

CHANGELOG.md

@@ -31,7 +31,9 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Enable the model upload workflow to add model_content_size_in_bytes & model_content_hash_value to model config automatically @thanawan-atc ([#291](https://github.com/opensearch-project/opensearch-py-ml/pull/291))
 - Update pretrained_models_all_versions.json (2023-10-18 18:11:34) by @dhrubo-os ([#322](https://github.com/opensearch-project/opensearch-py-ml/pull/322))
 - Update model upload history -  sentence-transformers/paraphrase-mpnet-base-v2 (v.1.0.0)(BOTH) by @dhrubo-os ([#321](https://github.com/opensearch-project/opensearch-py-ml/pull/321))
-- Replaced usage of `is_datetime_or_timedelta_dtype` with `is_timedelta64_dtype` and `is_datetime64_any_dtype`([#316](https://github.com/opensearch-project/opensearch-py-ml/pull/316))
+- Replaced usage of `is_datetime_or_timedelta_dtype` with `is_timedelta64_dtype` and `is_datetime64_any_dtype` by @rawwar ([#316](https://github.com/opensearch-project/opensearch-py-ml/pull/316))
+- Removed pandas version pin in nox tests by @rawwar ([#368](https://github.com/opensearch-project/opensearch-py-ml/pull/368))
+
 
 ### Fixed
 - Enable make_model_config_json to add model description to model config file by @thanawan-atc in ([#203](https://github.com/opensearch-project/opensearch-py-ml/pull/203))