Make the repo sync stall check less aggressive (#17018)

Co-authored-by: chiedo <chiedo@users.noreply.github.com>

.github/workflows/repo-sync-stalls.yml

@@ -40,7 +40,7 @@ jobs:
               const timeDelta = Date.now() - Date.parse(pr.created_at);
               const minutesOpen = timeDelta / 1000 / 60;
 
-              if (minutesOpen > 30) {
+              if (minutesOpen > 180) {
                 core.setFailed('Repo sync appears to be stalled') 
               }
             })