Fix dangling task for plum_lightpad (#88295)

homeassistant/components/plum_lightpad/light.py

@@ -1,7 +1,6 @@
 """Support for Plum Lightpad lights."""
 from __future__ import annotations
 
-import asyncio
 from typing import Any
 
 from plumlightpad import Plum
@@ -51,13 +50,15 @@ async def async_setup_entry(
         setup_entities(device)
 
     device_web_session = async_get_clientsession(hass, verify_ssl=False)
-    asyncio.create_task(
+    entry.async_create_background_task(
+        hass,
         plum.discover(
             hass.loop,
             loadListener=new_load,
             lightpadListener=new_lightpad,
             websession=device_web_session,
-        )
+        ),
+        "plum.light-discover",
     )