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Speed up native CI and the release build #1109

Job	Run time
plan	8s
hygiene	9s
lint / actionlint	8s
native / platform (darwin-arm64)	4m 15s
native / platform (windows-amd64)	2m 45s
native / platform (linux-amd64)	2m 21s
web	0s
website	0s
example	0s
harness	0s
backend (${{ matrix.part }}${{ ((matrix.shard && format(' {0}', matrix.shard)) \|\| '') }})	0s
api	0s
compose	0s
distribution	0s
web-acceptance	0s
check	8s
	9m 54s