Improve typing of deCONZ climate platform (#69882)
* Improve typing of deCONZ climate platform
homeassistant/components/deconz/climate.py:153: error: Dict entry 0 has incompatible type "str": "bool"; expected "str": "str" [dict-item]
homeassistant/components/deconz/climate.py:154: error: Dict entry 1 has incompatible type "str": "bool"; expected "str": "str" [dict-item]
homeassistant/components/deconz/climate.py:176: error: Argument 1 to "get" of "Mapping" has incompatible type "Optional[Literal['off', 'low', 'medium', 'high', 'on', 'auto', 'smart']]"; expected "str" [arg-type]
homeassistant/components/deconz/climate.py:200: error: Argument 1 to "get" of "Mapping" has incompatible type "Optional[Literal['off', 'auto', 'cool', 'heat', 'emergency heating', 'precooling', 'fan only', 'dry', 'sleep']]"; expected "str" [arg-type]
homeassistant/components/deconz/climate.py:218: error: Argument 1 to "set_config" of "Thermostat" has incompatible type "**Dict[str, str]"; expected "Optional[int]" [arg-type]
homeassistant/components/deconz/climate.py:218: error: Argument 1 to "set_config" of "Thermostat" has incompatible type "**Dict[str, str]"; expected "Optional[bool]" [arg-type]
homeassistant/components/deconz/climate.py:218: error: Argument 1 to "set_config" of "Thermostat" has incompatible type "**Dict[str, str]"; expected "Optional[List[str]]" [arg-type]
homeassistant/components/deconz/climate.py:225: error: Argument 1 to "get" of "Mapping" has incompatible type "Optional[Literal['holiday', 'auto', 'manual', 'comfort', 'eco', 'boost', 'complex']]"; expected "str" [arg-type]
homeassistant/components/deconz/climate.py:244: error: Unused "type: ignore" comment
homeassistant/components/deconz/climate.py:250: error: Unused "type: ignore" comment
homeassistant/components/deconz/climate.py:253: error: Unused "type: ignore" comment
* Simplify populating supported_hvac_modes
Fix tests