v0.4.17

What's Changed

• fix(js): Allow null to be passed as a first arg to traceable by @jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/1959
• fix: move otel check to client init time to avoid timing issue by @EugeneJinXin in https://github.com/langchain-ai/langsmith-sdk/pull/1958

Full Changelog: https://github.com/langchain-ai/langsmith-sdk/compare/v0.4.16...v0.4.17