Updating release pull request workflow

Trying a different way of adding a commit to allow for pr creation on release pull requests. This way reduces both the number of commits and requires no actual file changes.

Author: nerrad

.github/workflows/release-pull-request.yml

@@ -19,13 +19,9 @@ jobs:
         uses: actions/checkout@v2
       - name: Create changeset for pull request
         run: |
-          date > .release-artifact
           git config user.name github-actions
           git config user.email [email protected]
-          git add .
-          git commit -m "generating changeset for pull request"
-          rm .release-artifact
-          git commit -am "generating changeset for pull request"
+          git commit -m 'Empty commit for release pull request' --allow-empty
           git push
       - name: Create Release Pull Request
         uses: woocommerce/automations@v1