tighten up dependencies in CMakeLists #181

Job	Run time
get_version	6s
build-and-run-tests-ubuntu	32m 0s
build-and-run-tests-windows	58m 13s
build-and-run-tests-macos (macos-13)	56m 6s
build-and-run-tests-macos (macos-14)	33m 37s
get_version	6s
build-and-run-tests-windows	55m 38s
build-and-run-tests-macos (macos-13)	1h 9m 27s
build-and-run-tests-ubuntu	32m 0s
build-and-run-tests-macos (macos-14)	33m 37s
build-and-run-tests-windows	55m 35s
get_version	6s
build-and-run-tests-macos (macos-13)	1h 9m 27s
build-and-run-tests-ubuntu	32m 0s
build-and-run-tests-macos (macos-14)	33m 37s
	9h 21m 35s

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