JSON.SET supports `NX` and `XX`

### Search before asking

- [X] I had searched in the [issues](https://github.com/apache/kvrocks/issues) and found no similar issues.

### Motivation

From the https://github.com/RedisJSON/RedisJSON/blob/master/docs/commands/json.set.md

We only support `JSON.SET` without `NX` and `XX`.

### Solution

_No response_

### Are you willing to submit a PR?

- [X] I'm willing to submit a PR!