Update test_protection.py

Author: RobertoPrevato

tests/test_protection.py

@@ -1,4 +1,4 @@
-from datetime import UTC, datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from unittest.mock import AsyncMock
 
 import pytest
@@ -13,6 +13,9 @@
 )
 
 
+UTC = timezone.utc  # for Python 3.10 support…
+
+
 class TestFailedAuthenticationAttempts:
     def test_init(self):
         key = "192.168.1.1"