feat(pkg): use require requisite between pkg states

* `tpldot` is the equivalent of `tpldir` but using `.` instead of `/`:
  - https://github.com/saltstack/salt/blob/0c78d7dc894058988d171a28a11bd4a9dbf60266/salt/utils/jinja.py#L120
  - https://github.com/saltstack/salt/blob/0c78d7dc894058988d171a28a11bd4a9dbf60266/salt/utils/templates.py#L145
* Implementation based on upstream issue:
  - saltstack/salt#10838 (comment)

Author: myii

template/pkg/config.sls

@@ -21,3 +21,5 @@ template-config:
     - user: root
     - group: root
     - template: jinja
+    - require:
+      - sls: {{ tpldot }}.install

template/pkg/service.sls

@@ -6,7 +6,9 @@
 include:
   - .config
 
-template-name:
+template-service:
   service.running:
     - name: {{ template.service.name }}
     - enable: True
+    - require:
+      - sls: {{ tpldot }}.config