Release 3.4

This is primarily about building with QT6.

What's Changed

• use asciidoc for manpages, instead of docbook by @llunak in #61
• Fix build with CMake 4.0 by @iamsergio in #72
• Port to Qt 6 by @iamsergio in #73
• Feature/remove badges by @krf in #76
• Add system tray icon with a simple tooltip by @krf in #77
• Create cmake-single-platform.yml by @krf in #75
• Modernize: Use new-signal-slot-syntax by @krf in #74
• Support icecc after Msg refactor by @krf in #78
• Update README.md by @Ayxan13 in #79
• Add nullptr checks for system tray. by @marwuint in #81
• Another system tray check. by @marwuint in #82
• Fix several issues at once: Fix after Msg refactor, add CMake presets, add asserts by @krf in #84
• Flow table view: Fix repaints by @krf in #85
• Flow table view fixes: Clarify string by @krf in #86
• Misc: Code modernizations by @krf in #87
• doc: Build the manpage as part of the default target by @dfaure in #91

New Contributors

• @iamsergio made their first contribution in #72
• @Ayxan13 made their first contribution in #79
• @marwuint made their first contribution in #81
• @dfaure made their first contribution in #91

Full Changelog: v3.3...v3.4