Merge pull request #3064 from github/mbg/cq/allow-cq-only-analysis #4921

Job	Run time
Diagnostic export (ubuntu-latest, nightly-latest)	1m 8s
Diagnostic export (windows-latest, linked)	3m 39s
Diagnostic export (windows-latest, nightly-latest)	2m 51s
Diagnostic export (ubuntu-latest, linked)	1m 3s
Diagnostic export (macos-latest, linked)	1m 7s
Diagnostic export (macos-latest, nightly-latest)	1m 6s
	10m 54s

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