LYWSD02MMC The value of "offset" is out of range
<!-- Provide a general summary in the Title above -->

### Current Behavior
no work
### Steps to Reproduce (for bugs)
reboot Homebridge

### Versions
<!-- Please run commands and include versions below. -->
- **homebridge**: 1.2.5
- **homebridge-mi-hygrothermograph**: 3.0.3
- **node**:       v14.15.3
- **OS**:         Docker

### Configuration
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  - Remove any sensitive information, passwords, etc.
  - If output is long:
    - Please extract only the relevant portions if possible
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```json
"accessories": [
        {
            "name": "Temperature & Humidity",
            "temperatureName": "Temperature",
            "address": "3F:5B:7D:81:08:5C",
            "humidityName": "Humidity",
            "fakeGatoEnabled": false,
            "timeout": 15,
            "forceDiscovering": true,
            "forceDiscoveringDelay": 2500,
            "disableBatteryLevel": false,
            "lowBattery": 20,
            "temperatureOffset": 0,
            "humidityOffset": 0,
            "accessory": "Hygrotermograph"
        }
    ]
```

### Homebridge Log / Command Output
<!-- Paste relevant output between the two ``` lines below
  - Remove any sensitive information, passwords, etc.
  - If output is long:
    - Please extract only the relevant portions if possible
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-->
```
[1/22/2021, 11:03:22 AM] [Temperature & Humidity] RangeError [ERR_OUT_OF_RANGE]: The value of "offset" is out of range. It must be >= 0 and <= 14. Received 15
    at boundsError (internal/buffer.js:83:9)
    at Buffer.readInt16LE (internal/buffer.js:411:5)
    at Parser.parseTemperatureEvent (/homebridge/node_modules/homebridge-mi-hygrothermograph/lib/parser.js:235:32)
    at Parser.parseEventData (/homebridge/node_modules/homebridge-mi-hygrothermograph/lib/parser.js:205:21)
    at Parser.parse (/homebridge/node_modules/homebridge-mi-hygrothermograph/lib/parser.js:64:23)
    at Scanner.parseServiceData (/homebridge/node_modules/homebridge-mi-hygrothermograph/lib/scanner.js:171:52)
    at Scanner.onDiscover (/homebridge/node_modules/homebridge-mi-hygrothermograph/lib/scanner.js:92:25)
    at Noble.emit (events.js:315:20)
    at Noble.onDiscover (/homebridge/node_modules/homebridge-mi-hygrothermograph/node_modules/@abandonware/noble/lib/noble.js:196:10)
    at NobleBindings.emit (events.js:315:20) {
  code: 'ERR_OUT_OF_RANGE'
}
```
