langchain langchain-openai==1.4.3

Changes since langchain==1.3.14 release(langchain): 1.3.15 (#39595) feat(langchain): expose on (#38910) chore(langchain): fix type errors in tests (#39589) chore: bump h2 from 4.3.0 to 4.4.1 in /libs/langchain_v1 (#39324) fix(langchain): preserve history on summary failure (#39268) fix(langchain): handle import error in by (#39290) refactor(langchain): update doc strings (#39305) feat(langchain): add param to (#39292) fix(langchain): re-export from package (#39291) fix(langchain): restrict narrowed in bound tools (#39259) feat(langchain): filter internal middleware model calls from projection (#39252) chore: bump aiohttp from 3.14.1 to 3.14.3 in /libs/langchain_v1 (#39242) chore: bump cryptography from 48.0.1 to 50.0.0 in /libs/langchain_v1 (#39240) test(langchain): regression test for shell tool + checkpointer msgpack error (#39267) fix(langchain): handle malformed structured-output responses (#39245) fix(langchain): prevent orphaned in end behavior (#39258) fix(langchain): add aliases for bedrock mantle chat models (#39260) feat(langchain): add LangSmith provider to (#39224) fix(langchain): clear stale between checkpointed turns (#39248) fix(langchain): stop HITL approval gates from silently failing open (#39247) chore: bump…