transitive issue between FlxColor and UInt

[Geokureli]

Getting this error on 4.2.3 while targeting flash, not sure why github actions aren't failing, though

> haxelib run lime build flash -debug <

/[lib path]/flixel/util/FlxGradient.hx:119: characters 57-63 :
error: flixel.util.FlxColor should be UInt
... have: Array<flixel.util.FlxColor>
... want: Array<UInt>
... For function argument 'colors'