Fix google_mail doing blocking I/O in the event loop (home-assistant#…

…118421)

fixes home-assistant#118411

homeassistant/components/google_tasks/api.py

@@ -1,5 +1,6 @@
 """API for Google Tasks bound to Home Assistant OAuth."""
 
+from functools import partial
 import json
 import logging
 from typing import Any
@@ -52,7 +53,9 @@ async def async_get_access_token(self) -> str:
     async def _get_service(self) -> Resource:
         """Get current resource."""
         token = await self.async_get_access_token()
-        return build("tasks", "v1", credentials=Credentials(token=token))
+        return await self._hass.async_add_executor_job(
+            partial(build, "tasks", "v1", credentials=Credentials(token=token))
+        )
 
     async def list_task_lists(self) -> list[dict[str, Any]]:
         """Get all TaskList resources."""