test

Adopt `swift-format` #91

Job	Run time
lint	31s
unit-tests / macos-unit (macos-13, ~15.2)	13s
unit-tests / api-breakage	6m 27s
unit-tests / macos-unit (macos-14, latest-stable)	4m 33s
unit-tests / linux-unit (swift:5.8-jammy)	29s
unit-tests / linux-unit (swift:5.9-jammy)	26s
unit-tests / linux-unit (swift:5.10-noble)	27s
unit-tests / linux-unit (swift:6.0-noble)	5m 44s
unit-tests / linux-unit (swiftlang/swift:nightly-main-jammy)	6m 59s
	25m 49s

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