arch-boxes: Fix typo

roles/arch-boxes/tasks/main.yml

 ---
 
 - name: install arch-boxes dependencies
-  pacman: name=packer,virtualbox,qemu-headless,virtualbox-host-modules-arch,pyhon,python-urllib3 state=present
+  pacman: name=packer,virtualbox,qemu-headless,virtualbox-host-modules-arch,python,python-urllib3 state=present
 
 - name: create arch-boxes user
   user: name={{ archboxes_user }} shell=/bin/bash home="{{ archboxes_home }}" createhome=yes