Support skipping workflow validation #6152

Job	Run time
Ruby analysis (macos-latest, linked)	1m 17s
Ruby analysis (ubuntu-latest, default)	54s
Ruby analysis (macos-latest, nightly-latest)	1m 20s
Ruby analysis (ubuntu-latest, linked)	47s
Ruby analysis (macos-latest, default)	1m 19s
Ruby analysis (ubuntu-latest, nightly-latest)	50s
	6m 27s

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