Changes since langchain==1.3.6
release(langchain): 1.3.7 (#38024)
style(langchain): add ruff rules ARG (#34435)
feat(langchain): add ProviderToolSearchMiddleware (#37969)
chore(langchain): activate mypy warn_return_any (#34249)
test(langchain): mark legacy trigger view for 2.0 removal (#38002)
