⬆️ Bump actions/configure-pages from 5.0.0 to 6.0.0 #166

Job	Run time
usage_test (HOSTED, clang)	40s
usage_test (HOSTED, gcc)	59s
usage_test (FREESTANDING, gcc)	1m 12s
usage_test (FREESTANDING, clang)	39s
	3m 30s

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