ci(kitchen): ensure `cron` installed on `Debian`

* Pre-salted image(s) no longer have it installed (checked `debian-10`)

kitchen.yml

@@ -159,7 +159,7 @@ suites:
     provisioner:
       state_top:
         base:
-          'G@os_family:Suse':
+          'G@os_family:Suse or G@os:Debian':
             - states.cron
           '*':
             - logrotate