Incremental migration to strict concurrency checking #1 #545

Job	Run time
run (macos-13, 14.2, iOS Simulator,OS=17.2,name=iPhone 14 Pro)	16m 1s
run (macos-13, 14.2, macOS)	2m 51s
run (macos-13, 14.2, macOS,variant=Mac Catalyst)	5m 23s
run (macos-14, 15.4, iOS Simulator,OS=17.5,name=iPhone 15 Pro)	10m 34s
run (macos-14, 15.4, macOS)	2m 54s
run (macos-14, 15.4, macOS,variant=Mac Catalyst)	8m 9s
run (macos-14, 15.4, visionOS Simulator,name=Apple Vision Pro)	2m 55s
run (macos-14, 15.4, tvOS Simulator,name=Apple TV)	8m 53s
run (macos-14, 16, iOS Simulator,OS=18.0,name=iPhone 15 Pro)	29m 19s
run (macos-14, 16, macOS)	2m 43s
run (macos-14, 16, macOS,variant=Mac Catalyst)	10m 41s
	1h 40m 23s

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