H608B Not reporting correct Brightness
### What issue do you have? Please be as thorough and explicit as possible.
10ft Downlights are not reporting the correct brightness percentage.

When adjusting the brightness in the Govee app from 50% —> 100%.
The plugin reports:
20% (when at 50% govee app) 
and
39% (when at 100% govee app)

Verbose logs and screenshots attached.

![IMG_0440](https://github.com/bwp91/homebridge-govee/assets/24526227/5304360c-603d-47fd-b0b9-b6ef0cfd006c)
![IMG_0441](https://github.com/bwp91/homebridge-govee/assets/24526227/5f4fef4c-590b-4926-8124-79a78c18712a)
![IMG_0059](https://github.com/bwp91/homebridge-govee/assets/24526227/e0ae97b9-e247-4566-9d50-934c89749e62)
![IMG_0442](https://github.com/bwp91/homebridge-govee/assets/24526227/7c2efb3e-8ee3-459c-980b-f2ea8887b1e0)

### Details of your setup.
* Do you use (1) Homebridge UI-X (2) Homebridge CLI or (3) HOOBS? 
 1. Homebridge UI-X

* Which version of Homebridge/HOOBS do you have?

Homebridge v1.7.0

* Which platform do you run Homebridge/HOOBS on (e.g. Raspberry Pi/Windows/HOOBS Box)? Please also mention your version of Node.js/NPM if known.
RaspPi 4 - Ubuntu Jammy Jellyfish (22.04.3 LTS) - Node v18.19.0


* Which version of this plugin (homebridge-govee) do you have? Has the issue started since upgrading from a previous version?

Govee Plugin v10.3
Issue existed in the previous version as well. Updated to get the latest Node 18.19 for Govee support


* Which Govee devices do you have that are causing issues? Please include product models if applicable.
H068B Downlights


### Please paste any relevant logs below.

```
[1/1/2024, 12:26:09 PM] [Govee] [LAN] client enabled and found 0 device(s).
[1/1/2024, 12:26:09 PM] [Govee] [HTTP] client enabled and found 2 device(s).
[1/1/2024, 12:26:10 PM] [Govee] [AWS] client enabled.
[1/1/2024, 12:26:10 PM] [Govee] [BLE] client enabled.
[1/1/2024, 12:26:10 PM] [Govee] [Downlights] initialising with options {"adaptiveLightingShift":0,"aws":"enabled","ble":"enabled","brightnessStep":1,"colourSafeMode":false,"lan":"unsupported"}.
[1/1/2024, 12:26:10 PM] [Govee] [Downlights] initialised with id [2A:EC:D9:38:32:34:73:6C] [H608B].
[1/1/2024, 12:26:10 PM] [Govee] [H61A0_F843] initialising with options {"adaptiveLightingShift":0,"aws":"enabled","ble":"enabled","brightnessStep":1,"colourSafeMode":false,"lan":"unsupported"}.
[1/1/2024, 12:26:10 PM] [Govee] [H61A0_F843] initialised with id [B1:72:60:74:F4:C9:F8:43] [H61A0].
[1/1/2024, 12:26:11 PM] [Govee] ✓ Setup complete. This plugin has been made with ♥ by bwp91, please consider a ☆ on GitHub if you are finding it useful!
[1/1/2024, 12:26:12 PM] [Govee] [H61A0_F843] current colour [2700K / 370M].
[1/1/2024, 12:26:36 PM] [Govee] [Downlights] current brightness [20%].
[1/1/2024, 12:26:46 PM] [Govee] [Downlights] current brightness [39%]. ```
