add io-kit-sys to allow-list #832

Job	Run time
test (ubuntu-latest, stable)	54s
documentation	8m 17s
test (ubuntu-latest, beta)	46s
test (windows-latest, stable)	2m 32s
linting (stable)	55s
test (windows-latest, beta)	1m 27s
features (--no-default-features)	43s
linting (beta)	56s
features (--no-default-features --features serialization)	47s
features (--no-default-features --features serial)	1m 9s
features (--no-default-features --features tls)	58s
bindings-macos (x86_64-apple-darwin)	2m 45s
bindings-windows (x86_64-pc-windows-msvc, true)	8m 2s
bindings-windows (i686-pc-windows-msvc, false)	2m 55s
conformance	9m 14s
bindings-linux (x86_64-unknown-linux-gnu)	2m 56s
bindings-linux (i686-unknown-linux-gnu)	2m 47s
guide	1m 8s
bindings-linux (x86_64-unknown-linux-musl)	2m 54s
bindings-linux (arm-unknown-linux-gnueabihf)	2m 49s
bindings-linux (arm-unknown-linux-musleabihf)	2m 51s
bindings-linux (aarch64-unknown-linux-gnu)	2m 52s
bindings-linux (aarch64-unknown-linux-musl)	2m 58s
bindings-linux (armv7-unknown-linux-gnueabihf)	2m 47s
bindings-linux (arm-unknown-linux-gnueabi)	2m 54s
packaging	38s
release	0s
	1h 9m 54s

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