Improve visionOS support #173

Job	Run time
Rustfmt	13s
Test (ubuntu-latest, stable)	19s
Test (ubuntu-latest, beta)	20s
Test (ubuntu-latest, nightly)	22s
Test (macos-latest, stable)	26s
Test (macos-latest, beta)	25s
Test (macos-latest, nightly)	26s
Test (windows-latest, stable)	1m 45s
Test (windows-latest, beta)	1m 18s
Test (windows-latest, nightly)	1m 42s
Test Cross Compile - aarch64-apple-ios	24s
Test Cross Compile - aarch64-unknown-linux-gnu	35s
Test Cross Compile - arm-unknown-linux-gnueabihf	36s
Test Cross Compile - mips-unknown-linux-gnu	13s
Test Cross Compile - mips64-unknown-linux-gnuabi64	11s
Test Cross Compile - mips64el-unknown-linux-gnuabi64	10s
Test Cross Compile - mipsel-unknown-linux-gnu	11s
Test Cross Compile - powerpc-unknown-linux-gnu	36s
Test Cross Compile - s390x-unknown-linux-gnu	31s
Test Cross Compile - x86_64-unknown-linux-musl	45s
Test Cross Compile - aarch64-unknown-linux-musl	38s
Test Cross Compile - x86_64-pc-windows-gnu	59s
Test Cross Compile - x86_64-unknown-freebsd	39s
Test Cross Compile - x86_64-unknown-netbsd	41s
Test Cross Compile - x86_64-sun-solaris	11s
Test Cross Compile - x86_64-unknown-illumos	42s
	15m 18s

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