feat!: Conceal serde types with Swift SPI (#805) #3864

Job	Run time
apple-ci (macos-13, Xcode_15.2, platform=iOS Simulator,OS=17.2,name=iPhone 15)	13m 59s
apple-downstream (macos-13, Xcode_15.2, platform=iOS Simulator,OS=17.2,name=iPhone 15)	8m 55s
apple-ci (macos-13, Xcode_15.2, platform=tvOS Simulator,OS=17.2,name=Apple TV 4K (3rd generation)...	8m 39s
apple-downstream (macos-13, Xcode_15.2, platform=tvOS Simulator,OS=17.2,name=Apple TV 4K (3rd gen...	10m 37s
apple-ci (macos-13, Xcode_15.2, platform=OS X)	9m 2s
apple-downstream (macos-13, Xcode_15.2, platform=OS X)	7m 53s
apple-downstream (macos-14, Xcode_15.4, platform=iOS Simulator,OS=17.5,name=iPhone 15)	5m 2s
apple-ci (macos-14, Xcode_15.4, platform=iOS Simulator,OS=17.5,name=iPhone 15)	6m 31s
linux-ci (5.9-amazonlinux2)	3m 45s
apple-downstream (macos-14, Xcode_15.4, platform=tvOS Simulator,OS=17.5,name=Apple TV 4K (3rd gen...	5m 44s
linux-ci (5.9-focal)	3m 37s
linux-ci (5.10-amazonlinux2)	3m 49s
apple-downstream (macos-14, Xcode_15.4, platform=OS X)	5m 33s
linux-ci (5.10-jammy)	3m 35s
apple-ci (macos-14, Xcode_15.4, platform=tvOS Simulator,OS=17.5,name=Apple TV 4K (3rd generation)...	5m 3s
apple-ci (macos-14, Xcode_15.4, platform=OS X)	4m 17s
linux-downstream (5.9-amazonlinux2)	4m 52s
linux-downstream (5.9-focal)	4m 49s
linux-downstream (5.10-amazonlinux2)	4m 40s
linux-downstream (5.10-jammy)	4m 45s
	2h 5m 7s

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