Update workflow permissions #3619

Job	Run time
Diagnostic export (ubuntu-latest, linked)	58s
Diagnostic export (windows-latest, nightly-latest)	2m 28s
Diagnostic export (ubuntu-latest, nightly-latest)	59s
Diagnostic export (macos-latest, linked)	1m 24s
Diagnostic export (macos-latest, nightly-latest)	1m 22s
Diagnostic export (windows-latest, linked)	2m 37s
	9m 48s

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