Release notes: Use author if they are GitHub staff #6927

Job	Run time
Ruby analysis (macos-latest, default)	53s
Ruby analysis (ubuntu-latest, default)	53s
Ruby analysis (macos-latest, linked)	55s
Ruby analysis (ubuntu-latest, nightly-latest)	48s
Ruby analysis (macos-latest, nightly-latest)	58s
Ruby analysis (ubuntu-latest, linked)	46s
	5m 13s

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