[BUG] Description of the bug

[lisiru]

asynq: pid=47 2023/08/21 02:11:16.467677 ERROR: Failed to delete expired completed tasks from queue "default": INTERNAL_ERROR: redis eval error: ERR bad lua script for redis cluster, all the keys that the script uses should be passed using the KEYS array, and KEYS should not be in expression

asynq use the ali yun redis cluster occurred error. i think it is need to fix the lua script .If my project use the redis of ali redis cluster ,i can use this asynq.