ci: use pillars_from_directories & test/salt/pillar/top.sls

* Automated using https://github.com/myii/ssf-formula/pull/384

.github/workflows/kitchen.windows.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         instance:
-          - v3003-py3-windows-2019-latest-py3
+          - default-windows-2019-latest-py3
     steps:
       - name: 'Check out code'
         uses: 'actions/checkout@v2'
@@ -61,7 +61,7 @@ jobs:
       fail-fast: false
       matrix:
         instance:
-          - v3003-py3-windows-2016-latest-py3
+          - default-windows-2016-latest-py3
     steps:
       - name: 'Check out code'
         uses: 'actions/checkout@v2'