Merge branch 'nd/stream-to-archive'

Stream large blobs directly out to archive files without slurping everything in memory first. By René Scharfe (6) and Nguyễn Thái Ngọc Duy (4) * nd/stream-to-archive: t5000: rationalize unzip tests archive-zip: streaming for deflated files archive-zip: streaming for stored files archive-zip: factor out helpers for writing sizes and CRC archive-zip: remove uncompressed_size archive-tar: stream large blobs to tar file archive: delegate blob reading to backend archive-tar: unindent write_tar_entry by one level archive-tar: turn write_tar_entry into blob-writing only streaming: void pointer instead of char pointer