Changes since langchain-core==1.8.0
release(core): 1.8.1 (#41855)
chore(deps): bump soupsieve from 4.0 to 4.1 in /libs/core (#41850)
feat(core): per-context LangSmith gateway override via langsmith_gateway (#41836)
chore(deps): bump soupsieve from 2.9 to 4.0 in /libs/core (#41833)