Changes since langchain-core==1.4.5
release(core): 1.4.6 (#38061)
feat(core,partners): add package version tracking to tracing metadata (#35295)
fix(core,openai): normalize v1 streamed tool calls (#35983)
chore(infra): bump mypy to 2.1 and unify type-check config across the monorepo (#36470)
