Bump actions/upload-artifact from 5.0.0 to 6.0.0 #773

Job	Run time
build_windows (3.10)	8m 49s
build_windows (3.11)	7m 49s
build_linux (3.13)	3m 4s
build_linux (3.11)	2m 55s
build_linux (3.10)	2m 56s
build_linux (3.12)	2m 54s
build_windows (3.12)	9m 56s
build_windows (3.13)	7m 37s
test_linux (3.13, false, ubuntu-latest)	1m 50s
test_linux (3.12, false, ubuntu-latest)	1m 36s
test_linux (3.10, false, ubuntu-latest)	1m 29s
test_linux (3.11, false, ubuntu-latest)	1m 24s
test_windows (3.12, false, windows-latest)	2m 56s
test_windows (3.13, false, windows-latest)	2m 58s
test_windows (3.11, false, windows-latest)	2m 57s
test_windows (3.10, false, windows-latest)	3m 32s
	1h 4m 42s

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