⬆️ Bump actions/setup-node from 6.3.0 to 6.4.0 #192

Job	Run time
usage_test (FREESTANDING, clang)	42s
usage_test (HOSTED, clang)	43s
usage_test (HOSTED, gcc)	1m 1s
usage_test (FREESTANDING, gcc)	56s
	3m 22s

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