Changes since langchain-core==0.2.33
core[patch]: Release 0.2.34 (#25622)
core[patch]: support oai dicts as messages (#25621)
core: fix fallback context overwriting (#25550)
core[minor]: add langsmith document loader (#25493)
core[patch]: Allow bound models as token_counter in trim_messages (#25563)
core,community: add beta decorator to missed GraphVectorStore extensions (#25562)
infra: test chat prompt ser/des (#25557)