www/dooble: Update 2025.02.28 => 2025.03.15

Release Notes:

• Completed Qt 6.8 LTS Web permissions. Modal dialogs are required.
• New Qt 6.8 LTS Web permissions: Clipboard Read / Write, Local Fonts Access.
• Optional tab document mode. Please see Settings -> Display.

https://github.com/textbrowser/dooble/releases/tag/2025.03.15

PR: 285447