v0.4.23

What's Changed

• fix(python): Correctly recognize attachment with stringified annotations by @angus-langchain in https://github.com/langchain-ai/langsmith-sdk/pull/1990
• release(py): 0.4.23 by @angus-langchain in https://github.com/langchain-ai/langsmith-sdk/pull/1993

Full Changelog: https://github.com/langchain-ai/langsmith-sdk/compare/v0.4.22...v0.4.23