Update leaderboard.yml

.github/workflows/leaderboard.yml

@@ -67,7 +67,7 @@ jobs:
                 state: 'closed',
                 sort: 'updated',
                 direction: 'desc',
-                per_page: 250
+                per_page: 400
               });
 
               console.log(`Fetched ${prs.length} PRs for ${repo}`);