Release 1.4.2.1

Notable changes:
*  2024-06-01 c1a109b actionless chore: add pacman hooks similar to ones in qt5-styleplugin
*  2023-01-08 e15cd47 actionless feat(stylesheet: default): update button style to accomodate latest changes in renderer
*  2023-01-08 3381147 actionless feat(style: drawPushButtonLabelControl): remove that ugly pseudo-3d/shadow from button text
*  2023-01-08 970e815 actionless feat(style: drawTabBarTabLabelControl): remove bold font
*  2023-01-08 945aa3b actionless feat(renderer: renderButtonFrame): remove that ugly pseudo-3d fx
*  2022-10-31 a7d6dd8 actionless doc(readme): describe creating theme manually
*  2022-10-31 22bdfaf actionless rename to avoid filesystem conflicts with adwaita and update readme
*  2022-10-31 9a8bdc6 actionless remove scss infra, rename output theme to Oomox, implement loading custom CSS from theme name in env var, add logging