Merge pull request #3128 from github/mbg/ci/concurrency #5081

Job	Run time
Diagnostic export (windows-latest, nightly-latest)	2m 30s
Diagnostic export (ubuntu-latest, linked)	1m 5s
Diagnostic export (windows-latest, linked)	1m 44s
Diagnostic export (macos-latest, nightly-latest)	1m 28s
Diagnostic export (macos-latest, linked)	1m 37s
Diagnostic export (ubuntu-latest, nightly-latest)	59s
	9m 23s

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