chore: release SDK 2.0.1

Bump aws-durable-execution-sdk-python to 2.0.1 for a patch release covering the checkpoint token casing fix (#723) and the checkpoint batching latency fix (#710).

Author: Alex Wang

packages/aws-durable-execution-sdk-python/src/aws_durable_execution_sdk_python/__about__.py

@@ -1,4 +1,4 @@
 # SPDX-FileCopyrightText: 2025-present Amazon.com, Inc. or its affiliates.
 #
 # SPDX-License-Identifier: Apache-2.0
-__version__ = "2.0.0"
+__version__ = "2.0.1"