www/dooble: Update to 2023.04.01

ChangeLog: https://github.com/textbrowser/dooble/releases/tag/2023.04.01

• Added -Wformat-security, -fstack-clash-protection for Linux builds.
• Corrected widget buddies. Buddies are similar to mnemonics.
• Include the text (Private) in private Dooble window titles.
• New Private Window shortcut.
• Relative location character. Please see Settings -> Web.
• Retain proxy information if a proxy is disabled.
• Retrieve a complete locale name for translation file warning in Settings -> Display.
• The Linux bundle was created on KUbuntu 22.04.

PR: 270585
Reported by: eric@camachat.org (maintainer)