Log Message:
misc/py-anita: update to 2.3.

Changes from 2.2:

Deal with curses sometimes optimizing away the final "s" in "Debug
symbols", causing the debug set to not be installed.

Increase default memory size for amd64 from 128M to 192M, as the
installer no longer runs reliably in 128M without exhausting memory.

Keep logging the console output for a few seconds after shutdown to
catch the autoconf detach messages and possible panics on detach.

When logging shell commands, avoid line breaks between options and
their arguments.

Support the "virt" machine type for evbarm-eamv7hf as an alternative
to the default of vexpress-a15.  To enable, use the command line
option --machine virt.