fix(files): stream content in 1 MB chunks to prevent ConnectionResetError on large Batch API files#2985

NIK-TIGER-BILL wants to merge 1 commit intoopenai:mainopenai/openai-python:mainfrom

NIK-TIGER-BILL:fix/files-chunked-streaming-downloadNIK-TIGER-BILL/openai-python:fix/files-chunked-streaming-downloadCopy head branch name to clipboard