style: newline under copyright #614

Job	Run time
test (ubuntu-latest, 27.2, false)	38s
test (ubuntu-latest, 28.2, false)	39s
test (ubuntu-latest, 29.4, false)	53s
test (ubuntu-latest, 30.1, false)	1m 35s
test (macos-latest, 28.2, false)	1m 29s
test (macos-latest, 29.4, false)	2m 13s
test (macos-latest, 30.1, false)	2m 2s
test (windows-latest, 27.2, false)	3m 1s
test (windows-latest, 28.2, false)	1m 20s
test (windows-latest, 29.4, false)	1m 28s
test (windows-latest, 30.1, false)	1m 33s
test (ubuntu-latest, snapshot, true)	38s
test (macos-latest, snapshot, true)	1m 26s
test (windows-latest, snapshot, true)	1m 28s
	20m 23s

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