* Add a DataUpdateCoordinator to Hydrawise
* Replace DATA_HYDRAWISE with DOMAIN
* Replace persistent notification with a ConfigEntryNotReady exception
* Changes requested during PR review
* Add a type annotation to the `monitored_conditions` field.
Co-authored-by: epenet <6771947+epenet@users.noreply.github.com>
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Co-authored-by: epenet <6771947+epenet@users.noreply.github.com>