chore: bump minimum supported Python version to 3.11 (#10386)

api/core/tools/provider/builtin/time/tools/current_time.py

@@ -1,4 +1,4 @@
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from typing import Any, Union
 
 from pytz import timezone as pytz_timezone
@@ -20,7 +20,7 @@ class CurrentTimeTool(BuiltinTool):
         tz = tool_parameters.get("timezone", "UTC")
         fm = tool_parameters.get("format") or "%Y-%m-%d %H:%M:%S %Z"
         if tz == "UTC":
-            return self.create_text_message(f"{datetime.now(timezone.utc).strftime(fm)}")
+            return self.create_text_message(f"{datetime.now(UTC).strftime(fm)}")
 
         try:
             tz = pytz_timezone(tz)