Build

Add cmake build system #728

Job	Run time
oldschool (rockylinux, 9, release)	5m 17s
macOS (latest, 3.9, 5.9.*, debug)	7m 31s
macOS (latest, 3.11, 5.12.*, debug)	7m 32s
macOS (latest, 3.9, 5.9.*, release)	8m 25s
oldschool (rockylinux, 9, debug)	6m 23s
windows (win64_msvc2019_64, 3.13, x64, 5.15.*, PythonQtCore PythonQtGui PythonQtMultimedia)	4m 1s
ubuntu (24.04)	6m 38s
windows (win64_msvc2017_64, 3.6, x64, 5.11.*)	5m 32s
ubuntu (22.04)	7m 25s
windows (win64_mingw73, 3.10, 5.12.*, x64)	7m 18s
windows (win32_mingw53, 3.6, x86, 5.11.*)	5m 5s
	1h 11m 7s

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