Overlay: add automation ID to cache key #4966

Job	Run time
Config export (windows-latest, nightly-latest)	3m 6s
Config export (ubuntu-latest, nightly-latest)	1m 4s
Config export (windows-latest, linked)	2m 47s
Config export (ubuntu-latest, linked)	1m 1s
Config export (macos-latest, linked)	59s
Config export (macos-latest, nightly-latest)	1m 1s
	9m 58s

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