Support dry-running generators #614

Job	Run time
coverage	3m 23s
setup / config	2s
matrix_prep / matrix_prep	4s
test (macos-12, darwin, amd64, publicRepo)	3m 1s
test (macos-12, darwin, arm64, publicRepo)	3m 58s
test (ubuntu-22.04, linux, amd64, always)	2m 36s
test (ubuntu-22.04, linux, arm64, always)	3m 6s
test (windows-2019, windows, amd64, always)	7m 19s
test (windows-2019, windows, arm64, always)	5m 56s
build (macos-12, darwin, amd64, publicRepo)	3m 8s
build (macos-12, darwin, arm64, publicRepo)	3m 55s
build (ubuntu-22.04, linux, amd64, always)	2m 18s
build (ubuntu-22.04, linux, arm64, always)	2m 47s
build (windows-2019, windows, amd64, always)	7m 35s
build (windows-2019, windows, arm64, always)	5m 40s
Publish Tests Results	12s
release	0s
	55m 0s

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