update async-* dependencies #1160

Job	Run time
Build with no-std	14s
Check io_safety feature (ubuntu-latest)	20s
Checking fmt and docs	32s
Check io_safety feature (windows-latest)	1m 41s
Build and test (ubuntu-latest, nightly)	24s
Build and test (ubuntu-latest, beta)	25s
Check tokio02 feature	12s
Build and test (ubuntu-latest, stable)	26s
Check wasm targets (nightly)	27s
Cross compile (i686-unknown-linux-gnu)	1m 16s
Build and test (windows-latest, nightly)	27s
Check wasm targets (beta)	30s
Cross compile (powerpc-unknown-linux-gnu)	1m 7s
Build and test (windows-latest, beta)	26s
Check wasm targets (stable)	27s
Cross compile (mips-unknown-linux-gnu)	1m 8s
Build and test (windows-latest, stable)	26s
Cross compile (arm-linux-androideabi)	1m 24s
Build and test (macOS-latest, nightly)	29s
Build and test (macOS-latest, beta)	30s
Build and test (macOS-latest, stable)	25s
	13m 16s

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