Added Support for Tuya Zemismart 3 Phase Power Meter _TZE200_v9hkz2yn variant

[rhakbari]

Proposed change

Added Support for Tuya Zemismart 3 Phase Power Meter

Additional information

• 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

[codecov]

Codecov Report

Attention: Patch coverage is 43.18182% with 50 lines in your changes missing coverage. Please review.

Project coverage is 89.46%. Comparing base (979551d) to head (7298d17).

Files with missing lines	Patch %	Lines
zhaquirks/tuya/ts0601_din_power.py	43.18%	50 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #3619      +/-   ##
==========================================
- Coverage   89.85%   89.46%   -0.40%     
==========================================
  Files         321      321              
  Lines       10374    10462      +88     
==========================================
+ Hits         9322     9360      +38     
- Misses       1052     1102      +50     

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[rhakbari]

@TheJulianJES hi, I would like this PR to be reviewed and merged so that support for 3 phase power monitor can be added in ZHA. TIA