Support auto-detecting Actions workflows #4667

Job	Run time
Config export (ubuntu-latest, nightly-latest)	1m 28s
Config export (macos-latest, linked)	1m 26s
Config export (windows-latest, linked)	3m 28s
Config export (ubuntu-latest, linked)	1m 22s
Config export (windows-latest, nightly-latest)	3m 34s
Config export (macos-latest, nightly-latest)	2m 19s
	13m 37s

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