Log Message:
krita: Update to 4.4.1

Changelog:
Fill Layers
* Multi-threading for fill layers
* Transformations for the pattern fill
* Screentone
* Multigrid
* SeExpr (not enable in pkgsrc)

Brushes
* Diagonal selection lines in MyPaint color selector (Shift+M)

Support for dynamic use of currently selected colors in gradients.