Export CMake config from meson #305

Job	Run time
build (ubuntu-latest, fpm, debug, gnu, 12)	1m 12s
build (ubuntu-latest, meson, debug, gnu, 14)	50s
build (ubuntu-latest, meson, coverage, gnu, 11)	39s
build (ubuntu-latest, meson, debug, intel, 2021)	48s
build (ubuntu-latest, meson, debug, gnu, 10)	37s
build (ubuntu-latest, cmake, debug, gnu, 14)	1m 8s
build (macos-latest, meson, debug, gnu, 14)	42s
build (macos-latest, cmake, debug, gnu, 14)	51s
	6m 47s

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