Move options validation to constructor #835

Job	Run time
build (windows-latest, Debug)	6m 36s
build (ubuntu-latest, Release)	5m 27s
build (windows-latest, Release)	6m 29s
build (ubuntu-latest, Debug)	5m 53s
build (macos-latest, Release)	3m 6s
build (macos-latest, Debug)	5m 0s
publish-coverage / publish-coverage	44s
	33m 15s

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