Update merge-main-into-prs.yml (#12921)

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

.github/workflows/merge-main-into-prs.yml

@@ -44,9 +44,9 @@ jobs:
         
         for pr in open_pulls:
             # Compare PR head with main to see if it's behind
+            try:
                 comparison = repo.compare(pr.base.ref, pr.head.ref)  # Ensure correct order of base and head
                 if comparison.behind_by > 0:
-                try:
                     # Merge main into the PR branch
                     success = pr.update_branch()
                     assert success, "Branch update failed"