Add Sonoff ZBM5 3-channel switch

[1775939187]

Proposed change

Additional information

Device diagnostics

Checklist

• The changes are tested and work correctly
• pre-commit checks pass / the code has been formatted using Black
• Tests have been added to verify that the new code works
• Device diagnostics data has been attached

[codecov]

Codecov Report

❌ Patch coverage is 60.78431% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 92.15%. Comparing base (35d1fc1) to head (395d6e6).
⚠️ Report is 1 commits behind head on dev.

Files with missing lines	Patch %	Lines
zhaquirks/sonoff/zbm5.py	60.78%	20 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #4598      +/-   ##
==========================================
- Coverage   92.28%   92.15%   -0.14%     
==========================================
  Files         371      372       +1     
  Lines       12158    12209      +51     
==========================================
+ Hits        11220    11251      +31     
- Misses        938      958      +20     

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