Basic support for overlay analysis #4369

Job	Run time
Config export (ubuntu-latest, nightly-latest)	1m 5s
Config export (windows-latest, nightly-latest)	2m 41s
Config export (ubuntu-latest, linked)	1m 4s
Config export (windows-latest, linked)	4m 7s
Config export (macos-latest, linked)	1m 5s
Config export (macos-latest, nightly-latest)	1m 13s
	11m 15s

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