wezterm.procinfo.current_working_dir_for_pid(pid)
{{since('20220807-113146-c2fee766')}}
Returns the current working directory for the specified process id.
This function may return nil
if it was unable to return the info.
> wezterm.procinfo.current_working_dir_for_pid(wezterm.procinfo.pid())
"/home/wez/wez-personal/wezterm"