feat: update polling interval from 30s to 60s in metrics collector

The polling interval for the metrics collection service has been adjusted from 30 seconds to 60 seconds to reduce system load and network traffic while maintaining adequate monitoring granularity.

src/ragnar/cli.py

@@ -20,7 +20,7 @@ def bot_task(username, password):
     log.info(f"Created new bot runniner. Username: {username}")
     while True:
 
-        time.sleep(random.randint(1, 120))
+        time.sleep(random.randint(1, 50))
         bot = Bot(username=username, password=password)
         bot.login()