www/dooble: update to 2023.02.20

ChangeLog: https://github.com/textbrowser/dooble/releases/tag/2023.02.20

• Add Tab Behavior. Settings -> Display.
• Corrected state of private Cookies Window.
• Save Purge Periodically setting in private Cookies Window as a separate setting.
• Show a warning label in Settings -> Web -> Spell Checkers if qtwebengine_dictionaries cannot be read.

PR: 269750
Reported by: eric@camachat.org (maintainer)