v0.4.50

What's Changed

• feat(js): Adds reroot support for replicas by @jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/2155
• release(js): 0.3.82 by @jacoblee93 in https://github.com/langchain-ai/langsmith-sdk/pull/2164
• suppport custom header in python client by @EugeneJinXin in https://github.com/langchain-ai/langsmith-sdk/pull/2167
• bump version by @EugeneJinXin in https://github.com/langchain-ai/langsmith-sdk/pull/2168

Full Changelog: https://github.com/langchain-ai/langsmith-sdk/compare/v0.4.49...v0.4.50