chore: pin GitHub Actions to commit SHAs #1086

Job	Run time
plan	24s
build-local-artifacts (${{ join(matrix.targets, ', ') }})	0s
build-global-artifacts	0s
announce	0s
host	0s
plan	25s
build-local-artifacts (${{ join(matrix.targets, ', ') }})	-1s
build-global-artifacts	0s
host	0s
announce	0s
	48s

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