Lightener v2.3.0-beta.6

What's Changed

• The current brightness level of the lights is now displayed in the configuration flow, allowing easy use of the current brightness as a reference.
• This release includes several optimizations and fixes to the internals of Lightener. Although we hope these changes are beneficial, they significantly impact how Lightener operates, hence the version jump.

Full Changelog: v2.3.0-beta.5...v2.3.0-beta.6