Ensure that we are sudo includes /etc/sudoers.d

It doesn't by default everywhere - without this the sudo_rules option won't work

users/sudo.sls

@@ -20,3 +20,4 @@ sudoer-defaults:
         - text:
           - Defaults   env_reset
           - Defaults   secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+          - '#includedir /etc/sudoers.d'