[Bug]: A crash happened when I attempted to change station guard mode
### What happened?

A crash happened when I attempted to change the station guard mode (like changing "At home" to "Night") 

### Device Type

Station (Supported)

### Plugin Version

v2.0.x (Supported)

### HomeBridge Version

v1.6.x (Supported)

### NodeJS Version

v18 (Supported)

### Operating System

Docker (UnSupported)

### Relevant log output

```shell
[10/08/2023, 16:29:04]  [EufySecurity]  INFO    Eufy Homebase Request to change station guard mode to: DISARM(3)
InvalidPropertyValueError: Invalid value for this property according to metadata
    at validValue (/homebridge/node_modules/homebridge-eufy-security/node_modules/eufy-security-client/src/utils.ts:137:19)
    at Station.setGuardMode (/homebridge/node_modules/homebridge-eufy-security/node_modules/eufy-security-client/src/http/station.ts:692:19)
    at StationAccessory.handleSecuritySystemTargetStateSet (/homebridge/node_modules/homebridge-eufy-security/src/plugin/accessories/StationAccessory.ts:350:19)
    at setValue (/homebridge/node_modules/homebridge-eufy-security/src/plugin/accessories/StationAccessory.ts:99:33)
    at SecuritySystemTargetState.setHandler (/homebridge/node_modules/homebridge-eufy-security/src/plugin/accessories/BaseAccessory.ts:161:25)
    at SecuritySystemTargetState.<anonymous> (/homebridge/node_modules/homebridge/node_modules/hap-nodejs/src/lib/Characteristic.ts:2547:42)
    at step (/homebridge/node_modules/homebridge/node_modules/tslib/tslib.js:195:27)
    at Object.next (/homebridge/node_modules/homebridge/node_modules/tslib/tslib.js:176:57)
    at /homebridge/node_modules/homebridge/node_modules/tslib/tslib.js:169:75
    at new Promise (<anonymous>)
```


### config

```shell
{
    "username": "XXXXXXX@xxxxx.xxx",
    "password": "xxxxxxxx",
    "country": "FR",
    "deviceName": "",
    "platform": "EufySecurity",
    "ignoreStations": [],
    "ignoreDevices": [],
    "cleanCache": true,
    "_bridge": {
        "username": "xxxxx:91:9A:E1:2C",
        "port": 45571
    }
}
```
