decrease to two minutes

src/submission/submit_csv.py

@@ -107,8 +107,8 @@ def check_rate_limit(team_name: str) -> tuple[bool, str]:
         now = datetime.now(timezone.utc)
         time_diff = now - last_time
 
-        if time_diff < timedelta(minutes=15):
-            remaining_seconds = (timedelta(minutes=15) - time_diff).total_seconds()
+        if time_diff < timedelta(minutes=2):
+            remaining_seconds = (timedelta(minutes=2) - time_diff).total_seconds()
             remaining_minutes = int(remaining_seconds // 60)
             remaining_secs = int(remaining_seconds % 60)
             return (