x11/xdg-desktop-portal-hyprland: update to 0.2.1

Changes: https://github.com/hyprwm/xdg-desktop-portal-hyprland/releases/tag/v0.2.0
Changes: https://github.com/hyprwm/xdg-desktop-portal-hyprland/releases/tag/v0.2.1
Reported by: GitHub (watch releases)

(cherry picked from commit 4298ac4c8027a7bb3ac4a27b52e206c04c57023a)