Update sync-main.yml

Author: dilanbhalla

.github/workflows/sync-main.yml

@@ -30,6 +30,7 @@ jobs:
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
+          git config pull.rebase true
           git checkout -b sync-main-pr
 
           echo "::group::Fetch"