LangChain 发布 1.4.8，并预告将停止支持 Python 3.10
原标题：langchain==1.4.8
AI 摘要
LangChain 发布 langchain 1.4.8 版本，主要更新为升级 langchain-core 依赖及多项第三方依赖（pyasn1、joserfc、authlib、fastmcp、opentelemetry-api 等），并放宽第三方依赖上限。同时官方警告：langchain-core 1.8.0 和 langchain 1.5.0 将不再支持 Python 3.10，当前小版本是最后支持 Python 3.10 的版本，用户需升级至 Python 3.11 或更高。
正文节选
> [!WARNING] > **Python 3.10 support will be dropped in `langchain-core` 1.8.0 and `langchain` 1.5.0.** The current minor versions are the last to support Python 3.10. Please upgrade to Python 3.11 or later. Changes since langchain==1.4.7 chore(langchain): bump langchain-core (#41640) release(langchain): 1.4.8 (#41636) chore(deps): bump pyasn1 from 0.6.4 to 0.6.5 in /libs/langchain_v1 (#41591) chore(deps): bump joserfc from 1.7.4 to 1.7.6 in /libs/langchain_v1 (#41587) chore(deps): bump authli