Fix sharded pubsub auto-resubscription after Redis cluster rebalancing#3400

byunjuneseok wants to merge 4 commits intoredis:mainredis/lettuce:mainfrom

byunjuneseok:byunjuneseok/fix_sharded_pubsub_resubscribebyunjuneseok/lettuce:byunjuneseok/fix_sharded_pubsub_resubscribeCopy head branch name to clipboard