Homebridge 1.3.1 and HmIP-BSM / Lights / Log errors
**Describe the bug**
Since Homebridge 1.3.0/1.3.1 I get following errors in the log:

[2/23/2021, 4:23:37 PM] [homebridge-homematic] This plugin generated a warning from the characteristic 'Current Ambient Light Level': characteristic was supplied illegal value: number 137.8 exceeded maximum of 100. See https://git.io/JtMGR for more info.

**Which Homematic Device or Service the bug is about**
HmIP-BSM

**To Reproduce**
Steps to reproduce the behavior:
1.  directly after restart of homebridge
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4.  

**Actual behaviour**
A clear and concise description of what is actually happen.


**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**
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**Additional context**
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