Add Tuya 12 channel switch `_TZE204_dqolcpcp`

[hyosang82]

Proposed change

Add device model _TZE204_dqolcpcp (x12 switches)

Additional information

Checklist

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