Support visionOS, watchOS, and tvOS #191

Job	Run time
macos-docs	1m 15s
ios-check (stable, aarch64-apple-ios)	1m 17s
cargo-publish	0s
ios-check (stable, x86_64-apple-ios)	1m 16s
apple-tier-3-check (aarch64-apple-visionos)	38s
macos-test (stable)	1m 15s
ios-check (stable, aarch64-apple-ios-sim)	1m 16s
apple-tier-3-check (aarch64-apple-visionos-sim)	37s
macos-test (nightly)	1m 33s
ios-check (nightly, aarch64-apple-ios)	1m 23s
apple-tier-3-check (aarch64-apple-watchos)	33s
ios-check (nightly, x86_64-apple-ios)	1m 38s
apple-tier-3-check (arm64_32-apple-watchos)	33s
ios-check (nightly, aarch64-apple-ios-sim)	1m 23s
apple-tier-3-check (armv7k-apple-watchos)	34s
apple-tier-3-check (aarch64-apple-watchos-sim)	49s
apple-tier-3-check (x86_64-apple-watchos-sim)	1s
apple-tier-3-check (aarch64-apple-tvos)	36s
apple-tier-3-check (aarch64-apple-tvos-sim)	38s
apple-tier-3-check (x86_64-apple-tvos-sim)	14s
	17m 29s

Provide feedback