Replace deprecated constants

[jd1]

Checklist

• [X] I have filled out the template to the best of my ability.
• [X] This only contains 1 feature request (if you have multiple feature requests, open one feature request for each feature request).
• [X] This issue is not a duplicate feature request of previous feature requests.

Is your feature request related to a problem? Please describe.

Home assistants print this entry in the logs

STATE_CLASS_MEASUREMENT was used from iaquk, this is a deprecated constant which will be removed in HA Core 2025.1. Use SensorStateClass.MEASUREMENT instead, please create a bug report at https://github.com/Limych/ha-iaquk/issues

TEMP_CELSIUS was used from iaquk, this is a deprecated constant which will be removed in HA Core 2025.1. Use UnitOfTemperature.CELSIUS instead, please create a bug report at https://github.com/Limych/ha-iaquk/issues

TEMP_FAHRENHEIT was used from iaquk, this is a deprecated constant which will be removed in HA Core 2025.1. Use UnitOfTemperature.FAHRENHEIT instead, please create a bug report at https://github.com/Limych/ha-iaquk/issues

Describe the solution you'd like

Use SensorStateClass.MEASUREMENT, UnitOfTemperature.CELSIUS, UnitOfTemperature.FAHRENHEIT

Describe alternatives you've considered

There are no alternatives. If the constants are removed, the integration will fail.

Additional context

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