duplicate() is missing on RedisSentinelType

### Description

`RedisClientType` and `RedisClusterType` both have `.duplicate()` method. 
Should `RedisSentinelType` not implement this?

### Node.js Version

_No response_

### Redis Server Version

_No response_

### Node Redis Version

_No response_

### Platform

_No response_

### Logs

```bash

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