Merge branch '0_15_0' of https://github.com/Aircoookie/WLED into 0_15_0

Merge pull request wled#4231 from Aircoookie/b7

WLED 0.15.0-b7 release

WLED 0.15.0-b6 release (wled#4180)

* modified Improv chip & version handling
* Update build and changelog

WLED 0.15.0-b5 release

- Audioreactive usermod always included

Merge branch 'main' into 0_15

Build bump, changelog update

WLED 0.14.4

2D compile fix

Build bump, changelog udate

Changelog update and build bump.