Export CMake config from meson #311

Job	Run time
build (macos-latest, meson, debug, gnu, 14)	35s
build (ubuntu-latest, meson, coverage, gnu, 11)	39s
build (ubuntu-latest, meson, debug, gnu, 10)	36s
build (ubuntu-latest, cmake, debug, gnu, 14)	52s
build (ubuntu-latest, meson, debug, intel, 2021)	57s
build (ubuntu-latest, meson, debug, gnu, 14)	41s
build (macos-latest, cmake, debug, gnu, 14)	55s
build (ubuntu-latest, fpm, debug, gnu, 12)	59s
	6m 14s

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