Update copyright year #249

Job	Run time
test (ubuntu-latest, 26.3, false)	37s
test (ubuntu-latest, 27.2, false)	35s
test (ubuntu-latest, 28.2, false)	34s
test (ubuntu-latest, 29.4, false)	59s
test (macos-latest, 28.2, false)	2m 51s
test (macos-latest, 29.4, false)	2m 29s
test (windows-latest, 26.3, false)	2m 30s
test (windows-latest, 27.2, false)	3m 19s
test (windows-latest, 28.2, false)	2m 50s
test (windows-latest, 29.4, false)	4m 0s
test (ubuntu-latest, snapshot, true)	32s
test (macos-latest, snapshot, true)	2m 16s
test (windows-latest, snapshot, true)	3m 53s
	27m 25s

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