fix: update Redis close method in YokedCache

- Change Redis close method from aclose to close for consistency
- Ensure proper resource cleanup during shutdown

Author: SirStig

src/yokedcache/cache.py

@@ -146,7 +146,7 @@ async def disconnect(self) -> None:
         self._shutdown = True
 
         if self._redis:
-            await self._redis.aclose()
+            await self._redis.close()
 
         if self._pool:
             await self._pool.disconnect()