Do rebase instead.

.github/workflows/mirror.yaml

@@ -22,5 +22,5 @@ jobs:
         git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/Comfy-Org/Comfyui.git
         git fetch origin master
         git checkout master
-        git merge --ff-only FETCH_HEAD
+        git rebase origin/master
         git push origin master