Basic support for overlay PR analysis #5064

Job	Run time
Ruby analysis (macos-latest, default)	56s
Ruby analysis (macos-latest, nightly-latest)	1m 33s
Ruby analysis (ubuntu-latest, linked)	46s
Ruby analysis (ubuntu-latest, nightly-latest)	50s
Ruby analysis (macos-latest, linked)	1m 10s
Ruby analysis (ubuntu-latest, default)	47s
	6m 2s

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