audit 'def test'

Closes #31120
Rename write_binary to binwrite
lftp 4.5.3
lftp: update 4.5.3 bottle.

Closes #31169.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
aria2 1.18.7
aria2: update 1.18.7 bottle.

Closes #31168.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
backport binwrite from Ruby 2.1+
use binwrite in tests
ats2-postiats: use Pathname.write
mkvtoolnix 7.1.0

Update to latest stable release.
mkvtoolnix: add 7.1.0 bottle.