feat(stores/redis): add DisableIdentity option to disable CLIENT SETINFO command

[zhanghudong]

Description

Add DisableIdentity configuration option to Redis client for disabling the CLIENT SETINFO command during connection initialization.

Motivation

Some Redis servers (especially versions < 7.2) don't support the CLIENT SETINFO command. This option provides users with flexibility to disable it when needed.

Changes

• Add DisableIdentity field to RedisConf struct
• Add DisableIdentity field to Redis struct
• Add WithDisableIdentity option function
• Pass DisableIdentity to underlying go-redis client and cluster configurations
• Update both NewRedis and deprecated NewRedis() methods

Usage

Configuration:

Redis:
  Host: localhost:6379
  Type: node
  DisableIdentity: true  # Optional, default: false

Code:
rds := redis.MustNewRedis(redis.RedisConf{
    Host:            "localhost:6379",
    Type:            "node",
    DisableIdentity: true,
})

Checklist

- Code follows the project's style guidelines
- Changes have been tested
- Documentation comments added
- Backward compatible (optional field with default value)

[jeff2go]

Thx, We use Redis 5.0 on tencent cloud, need this for disabling the CLIENT SETINFO command too.