Cherrypick 1.21.1 changelog to release-v1.22.0 (#2271)

CHANGELOG.md

@@ -48,7 +48,6 @@
 - Fixed a bug in `session.get_session_stage` that referenced a non-existing stage after switching database or schema.
 - Fixed a bug where calling `DataFrame.to_snowpark_pandas` without explicitly initializing the Snowpark pandas plugin caused an error.
 - Fixed a bug where using the `explode` function in dynamic table creation caused a SQL compilation error due to improper boolean type casting on the `outer` parameter.
-- Fixed a bug where using `to_pandas_batches` with async jobs caused an error due to improper handling of waiting for asynchronous query completion.
 
 ### Snowpark Local Testing Updates
 
@@ -128,6 +127,14 @@
 - Fixed a bug where `Series.reindex` and `DataFrame.reindex` did not update the result index's name correctly.
 - Fixed a bug where `Series.take` did not error when `axis=1` was specified.
 
+## 1.21.1 (2024-09-05)
+
+### Snowpark Python API Updates
+
+#### Bug Fixes
+
+- Fixed a bug where using `to_pandas_batches` with async jobs caused an error due to improper handling of waiting for asynchronous query completion.
+
 ## 1.21.0 (2024-08-19)
 
 ### Snowpark Python API Updates