ci: add packages workflow

.github/workflows/packages.yml

@@ -0,0 +1,70 @@
+name: Update packages
+
+on: [workflow_dispatch]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout PreREISE
+        uses: actions/checkout@v2
+        with:
+          path: PreREISE
+
+      - name: Checkout PowerSimData
+        uses: actions/checkout@v2
+        with:
+          repository: Breakthrough-Energy/PowerSimData
+          path: PowerSimData
+
+      - name: Pipenv lock
+        id: pipenv_lock
+        uses: Breakthrough-Energy/actions/update-packages@main
+        with:
+          repo-dir: PreREISE
+
+      - name: Parse JSON
+        id: parse_json
+        run: |
+             additions=$(echo $json_summary | jq '.Additions')
+             additions="${additions//$'\n'/'%0A'}"
+             echo "::set-output name=additions::$additions"
+             deletions=$(echo $json_summary | jq '.Deletions')
+             deletions="${deletions//$'\n'/'%0A'}"
+             echo "::set-output name=deletions::$deletions"
+             updates=$(echo $json_summary | jq '.Updates')
+             updates="${updates//$'\n'/'%0A'}"
+             echo "::set-output name=updates::$updates"
+        env:
+          json_summary: ${{ steps.pipenv_lock.outputs.summary }}
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.CI_TOKEN_CLONE_REPO }}
+          commit-message: Update dependencies
+          title: Update dependencies
+          delete-branch: true
+          body: |
+            ### Summary of changes
+
+            - Additions
+            ```
+              ${{ steps.parse_json.outputs.additions }}
+            ```
+            - Deletions
+            ```
+              ${{ steps.parse_json.outputs.deletions }}
+            ```
+            - Updates
+            ```
+              ${{ steps.parse_json.outputs.updates }}
+            ```
+
+            Auto-generated by [create-pull-request][1]
+
+            [1]: https://github.com/peter-evans/create-pull-request
+          branch: update-dependencies
+          path: PreREISE