www/dooble: update to 2023.07.15

ChangeLog: https://github.com/textbrowser/dooble/releases/tag/2023.07.15

• Display discovered shorcuts in Settings -> Display. Read-only.
• Initialize s[i] elements in Threefish.
• Introduced --attach and --listen command-line options. If a Dooble instance is available, a new Dooble instance will attach its URLs to the existing Dooble instance.
• New executable-current-url command-line option. See Tools -> Current URL Executable(s). Multiple instances are allowed and Dooble does not verify content.
• Scoped C++ enumerators.

PR: 272490
Reported by: eric@camachat.org (maintainer)