Support auto-detecting Actions workflows #4673

Job	Run time
Config export (ubuntu-latest, linked)	1m 24s
Config export (ubuntu-latest, nightly-latest)	1m 23s
Config export (macos-latest, nightly-latest)	2m 2s
Config export (windows-latest, linked)	3m 23s
Config export (macos-latest, linked)	1m 26s
Config export (windows-latest, nightly-latest)	2m 54s
	12m 32s

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