mutt-1.5.23 (updated patches)

- Fixed provided `configure` script failing with hard-dependency on
  automake-1.13 (uses `prepare` to regenerate new `configure` script)
- trashfolder patch updated (existing patch url is 500ing)
- pgp-verbose-mime patch updated (existing patch url is 500ing)
mutt: update 1.5.23 bottle.