workaround ubuntu sudoers settings, bump version

Ubuntu doesn't enable `always_set_home` in `/etc/sudoers`, hence the
command Mixlib.Shellout runs finds `HOME=/root` in its environment.
This causes `stack.sh` to create the `.pgpass` file in the wrong
directory, and this makes the `lib/databases/postgresql` setup fail.
To work around that, we override the `HOME` variable.