Update copyright year #26

Job	Run time
test (ubuntu-latest, 26.3, false)	36s
test (ubuntu-latest, 27.2, false)	37s
test (ubuntu-latest, 28.2, false)	31s
test (ubuntu-latest, 29.4, false)	1m 27s
test (macos-latest, 28.2, false)	1m 17s
test (macos-latest, 29.4, false)	2m 29s
test (windows-latest, 26.3, false)	2m 52s
test (windows-latest, 27.2, false)	1m 45s
test (windows-latest, 28.2, false)	1m 30s
test (windows-latest, 29.4, false)	5m 37s
test (ubuntu-latest, snapshot, true)	32s
test (macos-latest, snapshot, true)	1m 20s
test (windows-latest, snapshot, true)	2m 34s
	23m 7s

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