Update main.yml

.github/workflows/main.yml

@@ -40,6 +40,7 @@ jobs:
           destination_branch: develop
           pr_title: "${{ steps.vars.outputs.branch }}"
           github_token: ${{ secrets.GITHUB_TOKEN }}
+          pr_allow_empty: true
       - name: output-url
         run: echo ${{steps.open-pr.outputs.pr_url}}
       - name: output-number