Update sync-fork.yml

Author: SethBodine

.github/workflows/sync-fork.yml

@@ -29,7 +29,7 @@ jobs:
         upstream_repository: thinkst/opencanary
         upstream_branch: master
         target_branch: main
-        git_pull_args: --ff-only                    # optional arg use, defaults to simple 'pull'
+        # git_pull_args: --ff-only                    # optional arg use, defaults to simple 'pull'
         github_token: ${{ secrets.GITHUB_TOKEN }}   # optional, for accessing repos that require authentication
 
     # Step 3: Display a message if 'sync' step had new commits (simple test)