Update pr-to-main.yml

Signed-off-by: Susan Shi <[email protected]>

.github/workflows/pr-to-main.yml

@@ -17,11 +17,14 @@ jobs:
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
 
       # https://github.com/marketplace/actions/github-pull-request-action
+      - name: pull-request
+        run: |
+          gh_pr_up() { gh pr create $* || gh pr edit $* }
+          gh_pr_up --title ${{ github.event.commits[0].message }} --body "This is a automated PR to main" --base main
       - name: create pull request with reposync action
         id: open-pr
         uses: repo-sync/pull-request@7e79a9f5dc3ad0ce53138f01df2fad14a04831c5 #v2.12.1
         with:
-          github_token: ${{ secrets.PR_TOKEN }}
           destination_branch: main
           pr_title: ${{ github.event.commits[0].message }}
           pr_body: "Automated Pull Request"