Fix typo in resource

Change-Id: I569157947ad963fae9de9a7e97551d3ef67c546c

salt/minion/service.sls

       {%- elif dependency.get('engine', 'pkg') == 'pip' %}
         {%- if dependency.get('pkgs') %}
 salt_minion_{{ service_name }}_dependencies:
-  pip.installed:
+  pkg.installed:
     - names: {{ dependency.get('pkgs') }}
     - onchanges_in:
       - cmd: salt_minion_service_restart