AppImage packaging for Qt6 and Ubuntu 22.04 #6631

Job	Run time
Check CI scripts	6s
Check C++ style	27s
Check clang-tidy	4m 42s
Check PR-TODOs	3s
Archlinux ${{ matrix.arch }}	0s
Check links	15s
Check editorconfig	5s
Fedora 39 linux/amd64 x86_64	7s
FreeBSD 13	0s
macOS	8m 54s
Packaging for AppImage	6m 23s
Ubuntu Linux 22.04 (GCC 10, C++20, Qt6)	6m 53s
Windows	6m 26s
Ubuntu Linux 22.04 (Clang 15, C++20, Qt6)	5m 15s
Build notcurses (20.04)	4m 24s
Build notcurses (22.04)	3m 30s
Check Release	0s
Packaging for Ubuntu 20.04	6m 27s
Packaging for Ubuntu 22.04	6m 8s
GUI: notcurses-demo ${{ matrix.name }}	1s
Check packages for Ubuntu	1s
GUI: Quick Shell Exit	1s
tests matrix	1s
Run tests via valgrind	1s
Run bench-headless	1s
Ubuntu Linux 22.04 post-check	2s
Create Github release	1s
	1h 0m 14s

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