Use eventloop for scheduling (#37184)

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>

homeassistant/helpers/update_coordinator.py

@@ -8,7 +8,7 @@ from typing import Any, Awaitable, Callable, List, Optional
 import aiohttp
 
 from homeassistant.core import CALLBACK_TYPE, HomeAssistant, callback
-from homeassistant.helpers.event import async_track_point_in_utc_time
+from homeassistant.helpers import event
 from homeassistant.util.dt import utcnow
 
 from .debounce import Debouncer
@@ -99,7 +99,7 @@ class DataUpdateCoordinator:
         # minimizing the time between the point and the real activation.
         # That way we obtain a constant update frequency,
         # as long as the update process takes less than a second
-        self._unsub_refresh = async_track_point_in_utc_time(
+        self._unsub_refresh = event.async_track_point_in_utc_time(
             self.hass,
             self._handle_refresh_interval,
             utcnow().replace(microsecond=0) + self.update_interval,