fix(chroma): reject async chroma clients with a clear error#36692

lakshayt7 wants to merge 2 commits intolangchain-ai:masterlangchain-ai/langchain:masterfrom

lakshayt7:codex/langchain-chroma-async-client-guardlakshayt7/langchain:codex/langchain-chroma-async-client-guardCopy head branch name to clipboard