feat: switch all timezone naive datetimes to timezone aware

app/terraform/block_ooni.py

@@ -1,7 +1,6 @@
 from collections import defaultdict
-from datetime import datetime
-from datetime import timedelta
-from typing import Dict, Tuple, Any
+from datetime import datetime, timedelta, timezone
+from typing import Any, Dict, Tuple
 
 import requests
 
@@ -13,8 +12,8 @@ from app.terraform import BaseAutomation
 
 
 def check_origin(domain_name: str) -> Dict[str, Any]:
-    start_date = (datetime.utcnow() - timedelta(days=1)).strftime("%Y-%m-%dT%H%%3A%M")
-    end_date = datetime.utcnow().strftime("%Y-%m-%dT%H%%3A%M")
+    start_date = (datetime.now(tz=timezone.utc) - timedelta(days=1)).strftime("%Y-%m-%dT%H%%3A%M")
+    end_date = datetime.now(tz=timezone.utc).strftime("%Y-%m-%dT%H%%3A%M")
     api_url = f"https://api.ooni.io/api/v1/measurements?domain={domain_name}&since={start_date}&until={end_date}"
     result: Dict[str, Dict[str, int]] = defaultdict(lambda: {"anomaly": 0, "confirmed": 0, "failure": 0, "ok": 0})
     return _check_origin(api_url, result)