Avoid use of datetime.utc* methods deprecated in Python 3.12 (#93684)

Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>

tests/components/traccar/test_device_tracker.py

@@ -1,5 +1,4 @@
 """The tests for the Traccar device tracker platform."""
-from datetime import datetime
 from unittest.mock import AsyncMock, patch
 
 from pytraccar import ReportsEventeModel
@@ -17,6 +16,7 @@ from homeassistant.const import (
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.setup import async_setup_component
+from homeassistant.util import dt as dt_util
 
 from tests.common import async_capture_events
 
@@ -47,7 +47,7 @@ async def test_import_events_catch_all(hass: HomeAssistant) -> None:
                 "maintenanceId": 1,
                 "deviceId": device["id"],
                 "type": "ignitionOn",
-                "eventTime": datetime.utcnow().isoformat(),
+                "eventTime": dt_util.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ"),
                 "attributes": {},
             }
         ),
@@ -59,7 +59,7 @@ async def test_import_events_catch_all(hass: HomeAssistant) -> None:
                 "maintenanceId": 1,
                 "deviceId": device["id"],
                 "type": "ignitionOff",
-                "eventTime": datetime.utcnow().isoformat(),
+                "eventTime": dt_util.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ"),
                 "attributes": {},
             }
         ),