Modernize CMake scripts #60

Job	Run time
coverage (ubuntu-24.04, x64-linux)	1m 25s
Autotools (ubuntu-24.04)	45s
Autotools (macos-14)	30s
amalgam	8s
CMake (windows-2022, x64-windows, static, Debug)	3m 26s
CMake (macos-14, arm64-osx, dynamic, Release, true)	29s
CMake (ubuntu-24.04, x64-linux, dynamic, Debug)	24s
CMake (windows-2022, x64-windows, dynamic, Release, true)	3m 4s
CMake (ubuntu-24.04, x64-linux, static, Debug)	24s
CMake (ubuntu-24.04, x64-linux, dynamic, Release, true)	21s
CMake (macos-14, arm64-osx, static, Debug)	29s
	11m 25s

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