update async-* dependencies #1166

Job	Run time
Check tokio02 feature	16s
Build and test (ubuntu-latest, nightly)	1m 49s
Build and test (ubuntu-latest, beta)	1m 47s
Build and test (ubuntu-latest, stable)	1m 54s
Build with no-std	12s
Build and test (windows-latest, nightly)	2m 54s
Check io_safety feature (ubuntu-latest)	18s
Build and test (windows-latest, beta)	2m 56s
Check io_safety feature (windows-latest)	1m 16s
Checking fmt and docs	32s
Build and test (windows-latest, stable)	2m 57s
Build and test (macOS-latest, nightly)	3m 36s
Build and test (macOS-latest, beta)	1m 59s
Check wasm targets (nightly)	30s
Cross compile (i686-unknown-linux-gnu)	1m 41s
Build and test (macOS-latest, stable)	1m 54s
Check wasm targets (beta)	30s
Check wasm targets (stable)	31s
Cross compile (powerpc-unknown-linux-gnu)	1m 18s
Cross compile (powerpc64-unknown-linux-gnu)	1m 43s
Cross compile (mips-unknown-linux-gnu)	1m 9s
Cross compile (arm-linux-androideabi)	1m 34s
	33m 16s

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