Support new local token generation method in Overkiz (#143181)
* Initial implementation of new token method for Local API
* Improve translations
* Update text
* Bugfix
* Bugfix
* Bugfixes
* Fixes
* Bugfix
* Bugfix
* Fix
* small fix
* Fix tests
* Refactor token usage in Overkiz config flow tests
* Refactor local API configuration flow tests for clarity and update reauthentication logic
* Improve comments
* Update tests
* Update homeassistant/components/overkiz/strings.json
Co-authored-by: Josef Zweck <josef@zweck.dev>
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Co-authored-by: Josef Zweck <josef@zweck.dev>