* Refactoring: exchange POWER_VOLT_AMPERE_REACTIVE with UnitOfReactivePower
* updated iotawatt and mysensors from VOLT_AMPERE_REACTIVE to UnitOfReactivePower.VOLT_AMPERE_REACTIVE
* deprecation period for POWER_VOLT_AMPERE_REACTIVE changed to one year.
* POWER_VOLT_AMPERE_REACTIVE changed to UnitOfReactivePower in blebox integration
* Update homeassistant/const.py
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Co-authored-by: Erik Montnemery <erik@montnemery.com>