fix: pass state when building SKU objects

disnake/client.py

@@ -3135,7 +3135,7 @@ async def skus(self) -> List[SKU]:
             The list of SKUs.
         """
         data = await self.http.get_skus(self.application_id)
-        return [SKU(data=d) for d in data]
+        return [SKU(data=d, state=self._connection) for d in data]
 
     def entitlements(
         self,