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Validate `checkout_path` input in `analyze` action #9057

Job	Run time
Ruby analysis (ubuntu-latest, linked)	39s
Ruby analysis (ubuntu-latest, nightly-latest)	41s
Ruby analysis (ubuntu-latest, default)	38s
Ruby analysis (macos-latest, nightly-latest)	1m 0s
Ruby analysis (macos-latest, default)	1m 11s
Ruby analysis (macos-latest, linked)	1m 12s
	5m 21s