Add support for CLIENT NO-EVICT command

[dengliming]

see https://redis.io/commands/client-no-evict

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[mp911de]

It would make sense to include no-eviction as a flag in RedisURI and attach it to all of our internal states and connection initialization. I can handle that during the merge.

[mp911de]

Thank you for your contribution. That's merged and polished now.