[MAINT] Do not use copyright year ranges #6332

Job	Run time
build_windows (3.14)	10m 24s
build_linux (3.12)	4m 54s
build_windows (3.13)	9m 16s
build_windows (3.11)	8m 12s
build_linux (3.11)	4m 45s
build_linux (3.14)	4m 30s
build_windows (3.12)	9m 16s
build_linux (3.13)	4m 42s
build_linux (3.10)	4m 46s
build_windows (3.10)	10m 54s
test_examples_linux (3.14, false, ubuntu-latest)	5m 8s
test_linux (3.10, false, ubuntu-latest)	3m 32s
test_linux (3.12, false, ubuntu-latest)	2m 36s
test_linux (3.14, false, ubuntu-latest)	2m 45s
test_linux (3.13, false, ubuntu-latest)	3m 31s
test_linux (3.11, false, ubuntu-latest)	3m 15s
upload_linux	-1s
test_windows (3.11, false, windows-latest)	3m 46s
test_windows (3.14, false, windows-latest)	4m 11s
test_windows (3.12, false, windows-latest)	4m 33s
test_windows (3.13, false, windows-latest)	3m 56s
test_windows (3.10, false, windows-latest)	2m 59s
upload_windows	0s
Clean up anaconda packages	0s
	1h 51m 50s

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