make hard challenge run once per hour

app.py

@@ -264,7 +264,7 @@ def run_summary_hard():
     db = sqlite3.connect(DB_FILE)
     cur = db.cursor()
     # cutoff_time = now_utc - timedelta(hours=HARD_CHALLENGE_HOURS_WINDOW)
-    cutoff_time = now_utc - timedelta(minutes=10)
+    cutoff_time = now_utc - timedelta(hours=1)
     # select all after cutoff_time
     print("cutoff_time: ", cutoff_time)
     cur.execute("SELECT * FROM ctf_hard WHERE created_at > ?", (cutoff_time,))
@@ -539,7 +539,7 @@ if __name__ == "__main__":
     scheduler = BackgroundScheduler()
     scheduler.add_job(func=backup_db, trigger="interval", seconds=60)
     # scheduler.add_job(func=run_summary_hard, trigger=CronTrigger(hour=8, timezone=timezone.utc))
-    scheduler.add_job(func=run_summary_hard, trigger=CronTrigger(minute="*/10", timezone=timezone.utc))
+    scheduler.add_job(func=run_summary_hard, trigger=CronTrigger(hour="*/1", timezone=timezone.utc))
     scheduler.start()
     create_tables()
     demo.launch(debug=False, favicon_path="./assets/favicon-32x32.png")