Log Message:
x11/drawterm: update to drawterm-20240703

# relevant changes
* kern: don't touch proc in wakeup() after procwakeup()
* devfs-posix: fix create() on more strict POSIX systems
* qio: sync with 9front
* devmnt: handle too short or negative message sizes (sync with 9front)
* add posix-ppc64le support
* add Haiku port
* add -9 flag for 9p-mode