v0.4.25

What's Changed

• fix: storage of already ended spans causes memory growth by @EugeneJinXin in https://github.com/langchain-ai/langsmith-sdk/pull/1998
• release(py): 0.4.25 by @EugeneJinXin in https://github.com/langchain-ai/langsmith-sdk/pull/2000

Full Changelog: https://github.com/langchain-ai/langsmith-sdk/compare/v0.4.24...v0.4.25