Fix clang workflow, update action versions #28

Job	Run time
build_linux (3.9)	2m 27s
build_windows (3.9)	3m 33s
build_linux (3.10)	2m 28s
build_windows (3.10)	3m 32s
build_linux (3.11)	1m 53s
build_windows (3.11)	3m 20s
build_linux (3.12)	1m 49s
build_windows (3.12)	3m 30s
test_linux (3.9, false, ubuntu-latest)	37s
test_linux (3.10, false, ubuntu-latest)	42s
test_linux (3.11, false, ubuntu-latest)	38s
test_linux (3.12, false, ubuntu-latest)	33s
test_windows	0s
	25m 2s

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